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4979 lines
158 KiB
Plaintext
4979 lines
158 KiB
Plaintext
<!doctype linuxdoc system>
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<article>
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<title>cc65 function reference
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<author>Ullrich von Bassewitz, <htmlurl url="mailto:uz@cc65.org" name="uz@cc65.org">
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<date>07.11.2002
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<abstract>
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cc65 is a C compiler for 6502 based systems. This function reference describes
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the C functions available in the standard library.
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</abstract>
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<!-- Table of contents -->
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<toc>
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<!-- Begin the document -->
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<sect>Introduction<p>
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cc65 is a C compiler for 6502 based systems. It implements a subset of the ISO
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C standard plus additional functions specially crafted for 6502 systems or
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just some of the supported machines. This function refrence describes the
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available functions together with any limitations.
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For an overview about the available libraries, their purpose, and any
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differences to the ISO standard, please have a look at the <htmlurl
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url="library.html" name="cc65 Library Overview">.
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<bf/Note:/ Standard C functions are listed here, but not described in detail.
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Since these functions behave identical on all standard compliant systems, they
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are described in any book covering standard C.
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Each entry for a function contains a detailed description
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<quote>
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<descrip>
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<tag/Function/Summary of what <bf/function/ does.
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<tag/Header/The header file that contains the declaration.
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<tag/Declaration/Describes the needed header files and declaration of the
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function.
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<tag/Description/Description of the function.
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<tag/Limits/Limits.
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<tag/Availability/The availability of the function.
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<tag/See also/Other related functions.
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<tag/Example/A piece of actual code using the function.
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</descrip>
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</quote>
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<sect>Functions by header file<p>
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<sect1><tt/6502.h/<label id="6502.h"><p>
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<itemize>
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<item><ref id="BRK" name="BRK">
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<item><ref id="CLI" name="CLI">
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<item><ref id="SEI" name="SEI">
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<item><ref id="_sys" name="_sys">
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<item><ref id="getcpu" name="getcpu">
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<item><ref id="reset_brk" name="reset_brk">
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<item><ref id="set_brk" name="set_brk">
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</itemize>
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<sect1><tt/apple2.h/<label id="apple2.h"><p>
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<itemize>
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<item><ref id="get_ostype" name="get_ostype">
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</itemize>
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<sect1><tt/apple2enh.h/<label id="apple2enh.h"><p>
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(incomplete)
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<sect1><tt/assert.h/<label id="assert.h"><p>
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<itemize>
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<item><ref id="assert" name="assert">
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</itemize>
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<sect1><tt/atari.h/<label id="atari.h"><p>
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<itemize>
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<item><ref id="get_ostype" name="get_ostype">
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</itemize>
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(incomplete)
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<sect1><tt/atmos.h/<label id="atmos.h"><p>
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(incomplete)
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<sect1><tt/c128.h/<label id="c128.h"><p>
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<itemize>
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<item><ref id="c64mode" name="c64mode">
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<item><ref id="fast" name="fast">
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<item><ref id="toggle_videomode" name="toggle_videomode">
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<item><ref id="slow" name="slow">
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</itemize>
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<sect1><tt/c16.h/<label id="c16.h"><p>
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(incomplete)
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<sect1><tt/c64.h/<label id="c64.h"><p>
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<itemize>
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<item><ref id="get_ostype" name="get_ostype">
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</itemize>
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<sect1><tt/cbm510.h/<label id="cbm510.h"><p>
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<itemize>
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<item><ref id="peekbsys" name="peekbsys">
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<item><ref id="peekwsys" name="peekwsys">
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<item><ref id="pokebsys" name="pokebsys">
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<item><ref id="pokewsys" name="pokewsys">
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</itemize>
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<sect1><tt/cbm610.h/<label id="cbm610.h"><p>
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<itemize>
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<item><ref id="peekbsys" name="peekbsys">
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<item><ref id="peekwsys" name="peekwsys">
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<item><ref id="pokebsys" name="pokebsys">
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<item><ref id="pokewsys" name="pokewsys">
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</itemize>
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<sect1><tt/conio.h/<label id="conio.h"><p>
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<itemize>
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<item><ref id="bgcolor" name="bgcolor">
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<item><ref id="bordercolor" name="bordercolor">
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<item><ref id="cclear" name="cclear">
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<item><ref id="cclearxy" name="cclearxy">
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<item><ref id="cgetc" name="cgetc">
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<item><ref id="chline" name="chline">
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<item><ref id="chlinexy" name="chlinexy">
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<item><ref id="clrscr" name="clrscr">
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<item><ref id="cprintf" name="cprintf">
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<item><ref id="cputc" name="cputc">
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<item><ref id="cputcxy" name="cputcxy">
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<item><ref id="cputs" name="cputs">
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<item><ref id="cputsxy" name="cputsxy">
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<item><ref id="cursor" name="cursor">
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<item><ref id="cvline" name="cvline">
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<item><ref id="cvlinexy" name="cvlinexy">
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<item><ref id="gotox" name="gotox">
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<item><ref id="gotoxy" name="gotoxy">
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<item><ref id="gotoy" name="gotoy">
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<item><ref id="kbhit" name="kbhit">
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<item><ref id="revers" name="revers">
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<item><ref id="screensize" name="screensize">
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<item><ref id="textcolor" name="textcolor">
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<item><ref id="vcprintf" name="vcprintf">
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<item><ref id="wherex" name="wherex">
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<item><ref id="wherey" name="wherey">
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</itemize>
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<sect1><tt/ctype.h/<label id="ctype.h"><p>
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<itemize>
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<item><ref id="isalnum" name="isalnum">
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<item><ref id="isalpha" name="isalpha">
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<item><ref id="isascii" name="isascii">
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<item><ref id="isblank" name="isblank">
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<item><ref id="iscntrl" name="iscntrl">
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<item><ref id="isdigit" name="isdigit">
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<item><ref id="isgraph" name="isgraph">
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<item><ref id="islower" name="islower">
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<item><ref id="isprint" name="isprint">
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<item><ref id="ispunct" name="ispunct">
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<item><ref id="isspace" name="isspace">
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<item><ref id="isupper" name="isupper">
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<item><ref id="isxdigit" name="isxdigit">
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<item><ref id="tolower" name="tolower">
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<item><ref id="toupper" name="toupper">
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</itemize>
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<sect1><tt/dbg.h/<label id="dbg.h"><p>
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(incomplete)
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<sect1><tt/dio.h/<label id="dio.h"><p>
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(incomplete)
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<sect1><tt/em.h/<label id="em.h"><p>
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<itemize>
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<item><ref id="em_commit" name="em_commit">
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<item><ref id="em_copyfrom" name="em_copyfrom">
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<item><ref id="em_copyto" name="em_copyto">
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<item><ref id="em_install" name="em_install">
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<item><ref id="em_load_driver" name="em_load_driver">
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<item><ref id="em_map" name="em_map">
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<item><ref id="em_pagecount" name="em_pagecount">
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<item><ref id="em_uninstall" name="em_uninstall">
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<item><ref id="em_unload" name="em_unload">
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<item><ref id="em_use" name="em_use">
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</itemize>
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<sect1><tt/errno.h/<label id="errno.h"><p>
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(incomplete)
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<sect1><tt/fcntl.h/<label id="fcntl.h"><p>
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<itemize>
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<item><ref id="close" name="close">
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<item><ref id="creat" name="creat">
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<item><ref id="open" name="open">
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</itemize>
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<sect1><tt/geos.h/<label id="geos.h"><p>
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(incomplete)
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<sect1><tt/joystick.h/<label id="joystick.h"><p>
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<itemize>
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<item><ref id="joy_count" name="joy_count">
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<item><ref id="joy_install" name="joy_install">
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<item><ref id="joy_load_driver" name="joy_load_driver">
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<item><ref id="joy_read" name="joy_read">
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<item><ref id="joy_uninstall" name="joy_uninstall">
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<item><ref id="joy_unload" name="joy_unload">
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</itemize>
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<sect1><tt/locale.h/<label id="locale.h"><p>
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<itemize>
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<item><ref id="localeconv" name="localeconv">
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<item><ref id="setlocale" name="setlocale">
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</itemize>
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<sect1><tt/modload.h/<label id="modload.h"><p>
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<itemize>
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<item><ref id="mod_load" name="mod_load">
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<item><ref id="mod_free" name="mod_free">
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</itemize>
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<sect1><tt/mouse.h/<label id="mouse.h"><p>
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<itemize>
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<item><ref id="mouse_load_driver" name="mouse_load_driver">
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<item><ref id="mouse_unload" name="mouse_unload">
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<item><ref id="mouse_install" name="mouse_install">
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<item><ref id="mouse_uninstall" name="mouse_uninstall">
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<item><ref id="mouse_hide" name="mouse_hide">
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<item><ref id="mouse_show" name="mouse_show">
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<item><ref id="mouse_box" name="mouse_box">
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<item><ref id="mouse_move" name="mouse_move">
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<item><ref id="mouse_buttons" name="mouse_buttons">
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<item><ref id="mouse_pos" name="mouse_pos">
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<item><ref id="mouse_info" name="mouse_info">
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<item><ref id="mouse_ioctl" name="mouse_ioctl">
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</itemize>
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(incomplete)
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<sect1><tt/nes.h/<label id="nes.h"><p>
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(incomplete)
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<sect1><tt/o65.h/<label id="o65.h"><p>
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The <tt/o65.h/ header file contains structure and constant definitions that
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may be used when dealing with files in <htmlurl
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url="http://www.6502.org/users/andre/o65/fileformat.html" name="o65 format">.
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It does not declare any functions.
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<sect1><tt/peekpoke.h/<label id="peekpoke.h"><p>
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<itemize>
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<item><ref id="PEEK" name="PEEK">
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<item><ref id="PEEKW" name="PEEKW">
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<item><ref id="POKE" name="POKE">
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<item><ref id="POKEW" name="POKEW">
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</itemize>
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<sect1><tt/pet.h/<label id="pet.h"><p>
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(incomplete)
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<sect1><tt/plus4.h/<label id="plus4.h"><p>
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(incomplete)
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<sect1><tt/serial.h/<label id="serial.h"><p>
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<!--
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<itemize>
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<item><ref id="ser_load_driver" name="ser_load_driver">
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<item><ref id="ser_unload" name="ser_unload">
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<item><ref id="ser_install" name="ser_install">
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<item><ref id="ser_uninstall" name="ser_uninstall">
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<item><ref id="ser_open" name="ser_open">
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<item><ref id="ser_close" name="ser_close">
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<item><ref id="ser_get" name="ser_get">
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<item><ref id="ser_put" name="ser_put">
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<item><ref id="ser_status" name="ser_status">
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<item><ref id="ser_ioctl" name="ser_ioctl">
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</itemize>
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-->
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(incomplete)
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<sect1><tt/setjmp.h/<label id="setjmp.h"><p>
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<itemize>
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<item><ref id="setjmp" name="setjmp">
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<item><ref id="longjmp" name="longjmp">
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</itemize>
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<sect1><tt/signal.h/<label id="signal.h"><p>
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<itemize>
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<item><ref id="raise" name="raise">
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<item><ref id="signal" name="signal">
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</itemize>
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<sect1><tt/stdarg.h/<label id="stdarg.h"><p>
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(incomplete)
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<sect1><tt/stdbool.h/<label id="stdbool.h"><p>
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(incomplete)
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<sect1><tt/stddef.h/<label id="stddef.h"><p>
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<itemize>
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<item><ref id="offsetof" name="offsetof">
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</itemize>
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<sect1><tt/stdio.h/<label id="stdio.h"><p>
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<itemize>
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<item><ref id="clearerr" name="clearerr">
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<!-- <item><ref id="fclose" name="fclose"> -->
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<!-- <item><ref id="fdopen" name="fdopen"> -->
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<item><ref id="feof" name="feof">
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<item><ref id="ferror" name="ferror">
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<!-- <item><ref id="fflush" name="fflush"> -->
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<!-- <item><ref id="fgetc" name="fgetc"> -->
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<!-- <item><ref id="fgetpos" name="fgetpos"> -->
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<!-- <item><ref id="fgets" name="fgets"> -->
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<item><ref id="fileno" name="fileno">
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<!-- <item><ref id="flushall" name="flushall"> -->
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<!-- <item><ref id="fopen" name="fopen"> -->
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<!-- <item><ref id="fprintf" name="fprintf"> -->
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<!-- <item><ref id="fputc" name="fputc"> -->
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<!-- <item><ref id="fputs" name="fputs"> -->
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<!-- <item><ref id="fread" name="fread"> -->
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<!-- <item><ref id="freopen" name="freopen"> -->
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<!-- <item><ref id="fscanf" name="fscanf"> -->
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<!-- <item><ref id="fseek" name="fseek"> -->
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<!-- <item><ref id="fsetpos" name="fsetpos"> -->
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<!-- <item><ref id="ftell" name="ftell"> -->
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<!-- <item><ref id="fwrite" name="fwrite"> -->
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<!-- <item><ref id="getc" name="getc"> -->
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<!-- <item><ref id="getchar" name="getchar"> -->
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<!-- <item><ref id="gets" name="gets"> -->
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<!-- <item><ref id="printf" name="printf"> -->
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<!-- <item><ref id="putc" name="putc"> -->
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<!-- <item><ref id="putchar" name="putchar"> -->
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<!-- <item><ref id="puts" name="puts"> -->
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<!-- <item><ref id="rename" name="rename"> -->
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<!-- <item><ref id="rewind" name="rewind"> -->
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<!-- <item><ref id="scanf" name="scanf"> -->
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<!-- <item><ref id="sprintf" name="sprintf"> -->
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<!-- <item><ref id="sscanf" name="sscanf"> -->
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<!-- <item><ref id="vfprintf" name="vfprintf"> -->
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<!-- <item><ref id="vfscanf" name="vfscanf"> -->
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<!-- <item><ref id="vprintf" name="vprintf"> -->
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<!-- <item><ref id="vscanf" name="vscanf"> -->
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<!-- <item><ref id="vsprintf" name="vsprintf"> -->
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<!-- <item><ref id="vsscanf" name="vsscanf"> -->
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</itemize>
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(incomplete)
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<sect1><tt/stdlib.h/<label id="stdlib.h"><p>
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<itemize>
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<item><ref id="_heapadd" name="_heapadd">
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<item><ref id="_heapblocksize" name="_heapblocksize">
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<item><ref id="_heapmaxavail" name="_heapmaxavail">
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<item><ref id="_heapmemavail" name="_heapmemavail">
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<item><ref id="_poserror" name="_poserror">
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<item><ref id="_randomize" name="_randomize">
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<item><ref id="_swap" name="_swap">
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<item><ref id="abort" name="abort">
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<item><ref id="abs" name="abs">
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<item><ref id="atexit" name="atexit">
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<item><ref id="atoi" name="atoi">
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<item><ref id="atol" name="atol">
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<item><ref id="bsearch" name="bsearch">
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<item><ref id="calloc" name="calloc">
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<item><ref id="div" name="div">
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<item><ref id="exit" name="exit">
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<item><ref id="free" name="free">
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<item><ref id="getenv" name="getenv">
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<item><ref id="itoa" name="itoa">
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<item><ref id="labs" name="labs">
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<item><ref id="ltoa" name="ltoa">
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<item><ref id="malloc" name="malloc">
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<item><ref id="perror" name="perror">
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<item><ref id="qsort" name="qsort">
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<item><ref id="rand" name="rand">
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<item><ref id="realloc" name="realloc">
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<item><ref id="remove" name="remove">
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<item><ref id="srand" name="srand">
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<item><ref id="ultoa" name="ultoa">
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<item><ref id="utoa" name="utoa">
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</itemize>
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<sect1><tt/string.h/<label id="string.h"><p>
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<itemize>
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<item><ref id="_stroserror" name="_stroserror">
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<item><ref id="bzero" name="bzero">
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<item><ref id="memchr" name="memchr">
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<item><ref id="memcpy" name="memcpy">
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<item><ref id="memmove" name="memmove">
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<item><ref id="memset" name="memset">
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<item><ref id="strcasecmp" name="strcasecmp">
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<item><ref id="strcat" name="strcat">
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<item><ref id="strchr" name="strchr">
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<item><ref id="strcmp" name="strcmp">
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<item><ref id="strcoll" name="strcoll">
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<item><ref id="strcpy" name="strcpy">
|
|
<item><ref id="strcspn" name="strcspn">
|
|
<item><ref id="strdup" name="strdup">
|
|
<item><ref id="strerror" name="strerror">
|
|
<item><ref id="stricmp" name="stricmp">
|
|
<item><ref id="strlen" name="strlen">
|
|
<item><ref id="strlower" name="strlower">
|
|
<item><ref id="strlwr" name="strlwr">
|
|
<item><ref id="strncat" name="strncat">
|
|
<item><ref id="strncmp" name="strncmp">
|
|
<item><ref id="strncpy" name="strncpy">
|
|
<item><ref id="strrchr" name="strrchr">
|
|
<item><ref id="strspn" name="strspn">
|
|
<item><ref id="strstr" name="strstr">
|
|
<item><ref id="strtok" name="strtok">
|
|
<!-- <item><ref id="strxfrm" name="strxfrm"> -->
|
|
<item><ref id="strupper" name="strupper">
|
|
<item><ref id="strupr" name="strupr">
|
|
</itemize>
|
|
|
|
(incomplete)
|
|
|
|
|
|
<sect1><tt/tgi.h/<label id="tgi.h"><p>
|
|
|
|
(incomplete)
|
|
|
|
|
|
<sect1><tt/time.h/<label id="time.h"><p>
|
|
|
|
<itemize>
|
|
<!-- <item><ref id="_systime" name="_systime"> -->
|
|
<!-- <item><ref id="asctime" name="asctime"> -->
|
|
<!-- <item><ref id="clock" name="clock"> -->
|
|
<!-- <item><ref id="ctime" name="ctime"> -->
|
|
<!-- <item><ref id="gmtime" name="gmtime"> -->
|
|
<!-- <item><ref id="localtime" name="localtime"> -->
|
|
<!-- <item><ref id="mktime" name="mktime"> -->
|
|
<!-- <item><ref id="strftime" name="strftime"> -->
|
|
<item><ref id="time" name="time">
|
|
</itemize>
|
|
|
|
(incomplete)
|
|
|
|
|
|
<sect1><tt/unistd.h/<label id="unistd.h"><p>
|
|
|
|
<itemize>
|
|
<!-- <item><ref id="chdir" name="chdir"> -->
|
|
<!-- <item><ref id="getcwd" name="getcwd"> -->
|
|
<!-- <item><ref id="lseek" name="lseek"> -->
|
|
<!-- <item><ref id="mkdir" name="mkdir"> -->
|
|
<!-- <item><ref id="read" name="read"> -->
|
|
<!-- <item><ref id="rmdir" name="rmdir"> -->
|
|
<item><ref id="sleep" name="sleep">
|
|
<item><ref id="unlink" name="unlink">
|
|
<!-- <item><ref id="write" name="write"> -->
|
|
</itemize>
|
|
|
|
(incomplete)
|
|
|
|
|
|
<sect1><tt/vic20.h/<label id="vic20.h"><p>
|
|
|
|
(incomplete)
|
|
|
|
|
|
<sect1><tt/zlib.h/<label id="zlib.h"><p>
|
|
|
|
(incomplete)
|
|
|
|
|
|
<sect>Alphabetical function reference<p>
|
|
|
|
<sect1>_heapadd<label id="_heapadd"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Add a block to the heap.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ _heapadd (void* mem, size_t size);/
|
|
<tag/Description/The function adds a block of raw memory to the heap.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The minimum blocksize that can be added is 6 bytes; the function will
|
|
ignore smaller blocks.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="_heapblocksize" name="_heapblocksize">,
|
|
<ref id="_heapmaxavail" name="_heapmaxavail">,
|
|
<ref id="_heapmemavail" name="_heapmemavail">,
|
|
<ref id="calloc" name="calloc">,
|
|
<ref id="free" name="free">,
|
|
<ref id="malloc" name="malloc">,
|
|
<ref id="realloc" name="realloc">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>_heapblocksize<label id="_heapblocksize"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return the size of an allocated block.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/size_t __fastcall__ _heapblocksize (const void* block);/
|
|
<tag/Description/The function returns the size of a block that must have
|
|
previously been allocated by <tt/<ref id="malloc" name="malloc">/, <tt/<ref
|
|
id="calloc" name="calloc">/ or <tt/<ref id="realloc" name="realloc">/.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>Passing a pointer to a block that was is not the result of one of the
|
|
allocation functions, or that has been free'd will give unpredicable results.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="_heapadd" name="_heapadd">,
|
|
<ref id="_heapmaxavail" name="_heapmaxavail">,
|
|
<ref id="_heapmemavail" name="_heapmemavail">,
|
|
<ref id="calloc" name="calloc">,
|
|
<ref id="free" name="free">,
|
|
<ref id="malloc" name="malloc">,
|
|
<ref id="realloc" name="realloc">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>_heapmaxavail<label id="_heapmaxavail"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return the largest block that is available on the heap.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/size_t __fastcall__ _heapmaxavail (void);/
|
|
<tag/Description/The function returns the size of the largest block that may
|
|
be allocated from the heap using <tt/<ref id="malloc" name="malloc">/.
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="_heapadd" name="_heapadd">,
|
|
<ref id="_heapblocksize" name="_heapblocksize">,
|
|
<ref id="_heapmemavail" name="_heapmemavail">,
|
|
<ref id="calloc" name="calloc">,
|
|
<ref id="free" name="free">,
|
|
<ref id="malloc" name="malloc">,
|
|
<ref id="realloc" name="realloc">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>_heapmemavail<label id="_heapmemavail"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return the total available space on the heap.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/size_t __fastcall__ _heapmemavail (void);/
|
|
<tag/Description/The function returns the total number of bytes available on
|
|
the heap.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>This function is of less use than usually assumed, since the returned
|
|
heap space may be available but not in one block. So even if this function
|
|
says that several times more heap space is available than needed, <ref
|
|
id="malloc" name="malloc"> may still return <tt/NULL/.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="_heapadd" name="_heapadd">,
|
|
<ref id="_heapblocksize" name="_heapblocksize">,
|
|
<ref id="_heapmaxavail" name="_heapmaxavail">,
|
|
<ref id="calloc" name="calloc">,
|
|
<ref id="free" name="free">,
|
|
<ref id="malloc" name="malloc">,
|
|
<ref id="realloc" name="realloc">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>_poserror<label id="_poserror"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Print an error message for the error in <tt/_oserrno/.
|
|
<tag/Header/<tt/<ref id="stdio.h" name="stdio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ _poserror (const char* msg);/
|
|
<tag/Description/<tt/_poserror/ prints an error message to <tt/stderr/. If
|
|
<tt/msg/ is not <tt/NULL/ and not an empty string, it is printed followed by
|
|
a colon and a blank. Then the error message for the current contents of
|
|
<tt/_oserrno/ are printed followed by a newline. The message output is the
|
|
same as returned by <tt/<ref id="_stroserror" name="_stroserror">/ with an
|
|
argument of <tt/_oserrno/.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>Since operating system specific error code are - you guessed it -
|
|
operating system specific, the value in <tt/_oserror/ and the message that is
|
|
printed depend on the cc65 target.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="_stroserror" name="_stroserror">,
|
|
<ref id="perror" name="perror">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>_randomize<label id="_randomize"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Initialize the pseudo random number generator.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/void _randomize (void);/
|
|
<tag/Description/The function initializes the random number generator with
|
|
a seed derived from fast changing hardware events, so the seed itself can be
|
|
considered random to a certain degree.
|
|
<tag/Limits/<itemize>
|
|
<item>The randomness of the seed depends on the machine hardware.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="rand" name="rand">,
|
|
<ref id="srand" name="srand">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>_stroserror<label id="_stroserror"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return a string describing an OS specific error code.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/const char* __fastcall__ _stroserror (unsigned char errcode);/
|
|
<tag/Description/<tt/_stroserror/ will return a string describing the given
|
|
operating system specific error code.
|
|
<tag/Limits/<itemize>
|
|
<item>Since operating system specific error code are - you guessed it -
|
|
operating system specific, the parameter and the string returned depend on the
|
|
cc65 target.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="strerror" name="strerror">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>_swap<label id="_swap"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Swap the contents of memory areas.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ _swap (void* p, void* q, size_t size);/
|
|
<tag/Description/<tt/_swap/ will swap (exchange) the contents of the two memory
|
|
areas pointed to by <tt/p/ and <tt/q/. Both memory areas are assumed to be
|
|
<tt/size/ bytes in size.
|
|
<tag/Limits/<itemize>
|
|
<item>The memory areas may not overlap, otherwise the results are undefined.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="memcpy" name="memcpy">,
|
|
<ref id="memmove" name="memmove">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>_sys<label id="_sys"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Call a subroutine passing register values.
|
|
<tag/Header/<tt/<ref id="6502.h" name="6502.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ _sys (struct regs* r);/
|
|
<tag/Description/The function will call the subroutine at the address
|
|
specified in the <tt/pc/ member of the passed <tt/regs/ structure. All
|
|
registers and the CPU flags are set to the values given in the <tt/regs/
|
|
structure. On return from the subroutine, the new values of the registers and
|
|
flags are stored back overwriting the old values.
|
|
<tag/Limits/<itemize>
|
|
<item>Bits 4 and 5 of the flags value in the <tt/regs/ structure are ignored
|
|
when calling the subroutine (they are unchanged from their current values).
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>BRK<label id="BRK"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Insert a 6502 BRK instrunction into the code.
|
|
<tag/Header/<tt/<ref id="6502.h" name="6502.h">/
|
|
<tag/Declaration/<tt/void BRK (void);/
|
|
<tag/Description/The function will insert a 6502 BRK instruction into the code
|
|
which may be used to trigger a debugger.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is actually a macro.
|
|
<item>The inserted instruction may lead to unexpected results if no debugger
|
|
is present.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="CLI" name="CLI">,
|
|
<ref id="SEI" name="SEI">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>CLI<label id="CLI"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Insert a 6502 CLI instrunction into the code.
|
|
<tag/Header/<tt/<ref id="6502.h" name="6502.h">/
|
|
<tag/Declaration/<tt/void CLI (void);/
|
|
<tag/Description/The function will insert a 6502 CLI instruction into the code,
|
|
so interrupts are disabled. Note that non maskable interrupts cannot be
|
|
disabled.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is actually a macro.
|
|
<item>Disabling interrupts may lead to unexpected results.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="BRK" name="BRK">,
|
|
<ref id="SEI" name="SEI">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>PEEK<label id="PEEK"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Read a byte from memory.
|
|
<tag/Header/<tt/<ref id="peekpoke.h" name="peekpoke.h">/
|
|
<tag/Declaration/<tt/unsigned char PEEK (unsigned addr);/
|
|
<tag/Description/The function will read the absolute memory given by <tt/addr/
|
|
and return the value read.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is actually a macro.
|
|
<item>This function depends highly on the platform and environment.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="PEEKW" name="PEEKW">,
|
|
<ref id="POKE" name="POKE">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>PEEKW<label id="PEEKW"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Read a word (two bytes) from memory.
|
|
<tag/Header/<tt/<ref id="peekpoke.h" name="peekpoke.h">/
|
|
<tag/Declaration/<tt/unsigned PEEKW (unsigned addr);/
|
|
<tag/Description/The function will read the absolute memory given by <tt/addr/
|
|
and return the value read. The byte read from the higher address is the high
|
|
byte of the return value.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is actually a macro.
|
|
<item>This function depends highly on the platform and environment.
|
|
<item>The order in which the two bytes are read is unspecified and may
|
|
depend of the address expression used.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="PEEK" name="PEEK">,
|
|
<ref id="POKE" name="POKE">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>POKE<label id="POKE"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Write a byte to memory.
|
|
<tag/Header/<tt/<ref id="peekpoke.h" name="peekpoke.h">/
|
|
<tag/Declaration/<tt/void POKE (unsigned addr, unsigned char val);/
|
|
<tag/Description/The function writes the value <tt/val/ to the absolute
|
|
memory address given by <tt/addr/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is actually a macro.
|
|
<item>This function depends highly on the platform and environment.
|
|
<item>Careless use will cause the program to act strange or may crash the
|
|
machine.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="PEEK" name="PEEK">,
|
|
<ref id="POKEW" name="POKEW">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>POKEW<label id="POKEW"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Write a word (two bytes) to memory.
|
|
<tag/Header/<tt/<ref id="peekpoke.h" name="peekpoke.h">/
|
|
<tag/Declaration/<tt/void POKEW (unsigned addr, unsigned val);/
|
|
<tag/Description/The function writes the value <tt/val/ to the absolute
|
|
memory address given by <tt/addr/. The low byte of <tt/val/ is written to
|
|
the <tt/addr/, the high byte is written to <tt/addr+1/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is actually a macro.
|
|
<item>This function depends highly on the platform and environment.
|
|
<item>Careless use will cause the program to act strange or may crash the
|
|
machine.
|
|
<item>The order in which the two bytes are written is unspecified and may
|
|
depend of the address expression used.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="PEEK" name="PEEK">,
|
|
<ref id="POKE" name="POKE">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>SEI<label id="SEI"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Insert a 6502 SEI instrunction into the code.
|
|
<tag/Header/<tt/<ref id="6502.h" name="6502.h">/
|
|
<tag/Declaration/<tt/void SEI (void);/
|
|
<tag/Description/The function will insert a 6502 SEI instruction into the code,
|
|
so interrupts are enabled. Enabling interrupts has no effects if they are
|
|
already enabled (the default).
|
|
<tag/Limits/<itemize>
|
|
<item>The function is actually a macro.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="BRK" name="BRK">,
|
|
<ref id="CLI" name="CLI">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>abort<label id="abort"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Terminates a program abnormally.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/void abort (void);/
|
|
<tag/Description/<tt/abort/ raises <tt/SIGABRT/, writes a termination message
|
|
on stderr, then terminates the program with an exit code of 3.
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="assert" name="assert">,
|
|
<ref id="exit" name="exit">,
|
|
<ref id="raise" name="raise">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>abs<label id="abs"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Returns the absolute value of an integer.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ abs (int v);/
|
|
<tag/Description/<tt/abs/ returns the absolute value of the argument passed to
|
|
the function.
|
|
<tag/Limits/<itemize>
|
|
<item>The return value is undefined if <tt/INT_MIN/ is passed to the function.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="labs" name="labs">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>assert<label id="assert"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Test a condition and possibly abort.
|
|
<tag/Header/<tt/<ref id="assert.h" name="assert.h">/
|
|
<tag/Declaration/<tt/void assert (int cond);/
|
|
<tag/Description/<tt/assert/ is a macro that expands to a <tt/id/
|
|
statement. If the condition evaluates t zero (false), assert prints a message
|
|
on stderr and aborts the program.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is actually a macro.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="abort" name="abort">,
|
|
<ref id="exit" name="exit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>atexit<label id="atexit"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Register an exit function.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ atexit (void (*exitfunc) (void));/
|
|
<tag/Description/<tt/atexit/ registers the function pointed to by
|
|
<tt/exitfunc/ as an exit function. Exit functions are called when the program
|
|
terminates, they are called in LIFO order (the last function registered is
|
|
called first). <tt/atexit/ returns zero on success and a nonzero value on
|
|
failure.
|
|
<tag/Limits/<itemize>
|
|
<item>A maximum of 5 exit functions can be registered.
|
|
<item>There is no way to unregister an exit function.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="abort" name="abort">,
|
|
<ref id="exit" name="exit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>atoi<label id="atoi"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Convert a string to an integer.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ atoi (const char* s);/
|
|
<tag/Description/<tt/atoi/ converts the given string into an integer.
|
|
Conversion stops as soon as any invalid character is encountered.
|
|
<tag/Limits/<itemize>
|
|
<item>There is no way to detect any conversion errors.
|
|
<item>The function does not check for an numerical overflow when converting.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="atol" name="atol">,
|
|
<ref id="itoa" name="itoa">,
|
|
<ref id="ltoa" name="ltoa">,
|
|
<ref id="ultoa" name="ultoa">,
|
|
<ref id="utoa" name="utoa">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>atol<label id="atol"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Convert a string to a long integer.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/long __fastcall__ atol (const char* s);/
|
|
<tag/Description/<tt/atol/ converts the given string into a long integer.
|
|
Conversion stops as soon as any invalid character is encountered.
|
|
<tag/Limits/<itemize>
|
|
<item>There is no way to detect any conversion errors.
|
|
<item>The function does not check for an numerical overflow when converting.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="atoi" name="atoi">,
|
|
<ref id="itoa" name="itoa">,
|
|
<ref id="ltoa" name="ltoa">,
|
|
<ref id="ultoa" name="ultoa">,
|
|
<ref id="utoa" name="utoa">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>bgcolor<label id="bgcolor"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Set the background text color.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ bgcolor (unsigned char color);/
|
|
<tag/Description/The function will set a new background color and return the
|
|
old (current) one. The background color is valid for the whole text output
|
|
area of the screen, not just for new text.
|
|
<tag/Limits/<itemize>
|
|
<item>Background colors are system dependent. The function may have no effect
|
|
on systems where the background color cannot be changed.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="bordercolor" name="bordercolor">,
|
|
<ref id="textcolor" name="textcolor">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>bordercolor<label id="bordercolor"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Set the border (frame) color.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ bordercolor (unsigned char color);/
|
|
<tag/Description/The function will set a new border color. It returns the old
|
|
(current) border color.
|
|
<tag/Limits/<itemize>
|
|
<item>Border colors are system dependent. The function may have no effect
|
|
on systems where the border color cannot be changed.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="bgcolor" name="bgcolor">,
|
|
<ref id="textcolor" name="textcolor">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>bsearch<label id="bsearch"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Do a binary search in a sorted array.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/void* __fastcall__ bsearch (const void* key,
|
|
const void* base, size_t n, size_t size,
|
|
int (*cmp) (const void*, const void*));/
|
|
<tag/Description/<tt/bsearch/ searches a sorted array for a member that
|
|
matches the one pointed to by <tt/key/. <tt/base/ is the address of the array,
|
|
<tt/n/ is the number of elements, <tt/size/ the size of an element and <tt/cmp/
|
|
the function used to compare the members against the key. The function returns
|
|
a pointer to the member found, or <tt/NULL/ if there was no match.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The contents of the array must be sorted in ascending order according to
|
|
the compare function given.
|
|
<item>If there are multiple members that match the key, the function will
|
|
return one of the members.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="qsort" name="qsort">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>bzero<label id="bzero"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Fill a memory area with zeroes.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ bzero (void* p, size_t count);/
|
|
<tag/Description/<tt/bzero/ fills the memory area pointed to by <tt/p/ with
|
|
zero.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The function is non standard and therefore only available in non ANSI
|
|
mode. You should use <tt/<ref id="memset" name="memset">/ instead.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="_swap" name="_swap">,
|
|
<ref id="memcpy" name="memcpy">,
|
|
<ref id="memmove" name="memmove">,
|
|
<ref id="memset" name="memset">,
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>c64mode<label id="c64mode"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Switch the C128 into C64 compatible mode.
|
|
<tag/Header/<tt/<ref id="c128.h" name="c128.h">/
|
|
<tag/Declaration/<tt/void c64mode (void);/
|
|
<tag/Description/The function will cause the machine to reboot into C64 mode.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is specific to the C128.
|
|
<item>The function will not return to the caller.
|
|
</itemize>
|
|
<tag/Availability/C128
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>calloc<label id="calloc"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Allocate and clear memory.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/void* __fastcall__ calloc (size_t n, size_t size);/
|
|
<tag/Description/<tt/calloc/ allocates memory for an array of <tt/n/ elements
|
|
of size <tt/size/, clears the whole block with binary zeroes and returns a
|
|
pointer to it. On error (not enough memory available), <tt/calloc/ returns
|
|
<tt/NULL/.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>Clearing the memory may not have the expected effect on all platforms:
|
|
pointers in the block may not be <tt/NULL/ and floating point variables may
|
|
not be zero (0.0). In other words: The "clearing" effect of this function
|
|
should be used with care for portable programs.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="_heapadd" name="_heapadd">,
|
|
<ref id="_heapblocksize" name="_heapblocksize">,
|
|
<ref id="_heapmaxavail" name="_heapmaxavail">,
|
|
<ref id="_heapmemavail" name="_heapmemavail">,
|
|
<ref id="free" name="free">,
|
|
<ref id="malloc" name="malloc">,
|
|
<ref id="realloc" name="realloc">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>cclear<label id="cclear"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Clear part of a line (write a given number of spaces).
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ cclear (unsigned char length);/
|
|
<tag/Description/The function clears part of a line by writing <tt/length/
|
|
spaces in the current text color.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may
|
|
only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="cclearxy" name="cclearxy">,
|
|
<ref id="clrscr" name="clrscr">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>cclearxy<label id="cclearxy"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Clear part of a line (write a given number of spaces) starting
|
|
at a specific screen position.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ cclearxy (unsigned char x, unsigned char y, unsigned char length);/
|
|
<tag/Description/The function moves the cursor to a specific position, and
|
|
will then clear part of the line by writing <tt/length/ spaces in the current
|
|
text color.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may
|
|
only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="cclear" name="cclear">,
|
|
<ref id="clrscr" name="clrscr">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>cgetc<label id="cgetc"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Read a character from the keyboard.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/char cgetc (void);/
|
|
<tag/Description/The function reads a character from the keyboard. If there is
|
|
no character available, <tt/cgetc/ waits until the user presses a key. If the
|
|
cursor is enabled by use of the <tt/cursor/ function, a blinking cursor is
|
|
displayed while waiting.
|
|
<tag/Limits/<itemize>
|
|
<item>If the system supports a keyboard buffer, <tt/cgetc/ will fetch a key
|
|
from this buffer and wait only if the buffer is empty.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="cursor" name="cursor">,
|
|
<ref id="kbhit" name="kbhit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>chline<label id="chline"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Output a horizontal line in text mode.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ chline (unsigned char length);/
|
|
<tag/Description/The function outputs a horizontal line with the given length
|
|
starting at the current cursor position.
|
|
<tag/Limits/<itemize>
|
|
<item>The character used to draw the horizontal line is system dependent.
|
|
If available, a line drawing character is used. Drawing a line that is partially
|
|
off screen leads to undefined behaviour.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="chlinexy" name="chlinexy">,
|
|
<ref id="cvline" name="cvline">,
|
|
<ref id="cvlinexy" name="cvlinexy">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>chlinexy<label id="chlinexy"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Output a horizontal line at a given position in text mode.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ chlinexy (unsigned char x, unsigned char y, unsigned char length);/
|
|
<tag/Description/The function outputs a horizontal line with the given length
|
|
starting at a given position.
|
|
<tag/Limits/<itemize>
|
|
<item>The character used to draw the horizontal line is system dependent.
|
|
If available, a line drawing character is used. Drawing a line that is partially
|
|
off screen leads to undefined behaviour.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="chline" name="chline">,
|
|
<ref id="cvline" name="cvline">,
|
|
<ref id="cvlinexy" name="cvlinexy">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>clearerr<label id="clearerr"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Clear error and end-of-file status of a stream.
|
|
<tag/Header/<tt/<ref id="stdio.h" name="stdio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ clearerr (FILE* f);/
|
|
<tag/Description/<tt/clearerr/ clears the error and end-of-file status
|
|
indicators for the stream <tt/f/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="feof" name="feof">,
|
|
<ref id="ferror" name="ferror">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>clrscr<label id="clrscr"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Clear the text screen.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void clrscr (void);/
|
|
<tag/Description/The function clears the text screen and moves the cursor to
|
|
the upper left corner.
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="cclear" name="cclear">,
|
|
<ref id="cclearxy" name="cclearxy">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>close<label id="close"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Close a file descriptor.
|
|
<tag/Header/<tt/<ref id="fcntl.h" name="fcntl.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ close (int fd);/
|
|
<tag/Description/The function closes the given file descriptor. It returns zero
|
|
on success and -1 on error. If an error occurs, the cause can be determined by
|
|
reading the <tt/errno/ variable.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/POSIX 1003.1
|
|
<tag/See also/
|
|
<ref id="creat" name="creat">,
|
|
<ref id="open" name="open">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>creat<label id="creat"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Create a file.
|
|
<tag/Header/<tt/<ref id="fcntl.h" name="fcntl.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ creat (const char* name, unsigned mode);/
|
|
<tag/Description/<tt/creat/ creates a new file and returns the file descriptor
|
|
associated with it. On error, -1 is returned and an error code is stored in
|
|
<tt/errno/.
|
|
<tag/Limits/<itemize>
|
|
<item><tt/creat/ is identical to calling <tt/<ref id="open" name="open">/ with
|
|
<tt/flags/ equal to <tt/O_WRONLY | O_CREAT | O_TRUNC/.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/POSIX 1003.1
|
|
<tag/See also/
|
|
<ref id="close" name="close">,
|
|
<ref id="open" name="open">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>cprintf<label id="cprintf"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Formatted output to the console.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/int cprintf (const char* format, ...);/
|
|
<tag/Description/The arguments are converted to text where necessary and
|
|
formatted according to the format string given. The resulting string is output
|
|
to the console. <tt/cprintf/ supports the same format specifiers as
|
|
<tt/printf/. <!-- <tt/<ref id="printf" name="printf">/. -->
|
|
<tag/Limits/<itemize>
|
|
<item>Like all other <tt/conio/ output functions, <tt/cprintf/ distinguishes
|
|
between <tt/\r/ and <tt/\n/.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="cputc" name="cputc">,
|
|
<ref id="cputcxy" name="cputcxy">,
|
|
<ref id="cputs" name="cputs">,
|
|
<ref id="cputsxy" name="cputsxy">,
|
|
<ref id="vcprintf" name="vcprintf">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>cputc<label id="cputc"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Output a character directly to the console.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ cputc (char c);/
|
|
<tag/Description/Output one character to the console at the current cursor
|
|
position.
|
|
<tag/Limits/<itemize>
|
|
<item>Like all other <tt/conio/ output functions, <tt/cputc/ distinguishes
|
|
between <tt/\r/ and <tt/\n/.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="cprintf" name="cprintf">,
|
|
<ref id="cputcxy" name="cputcxy">,
|
|
<ref id="cputs" name="cputs">,
|
|
<ref id="cputsxy" name="cputsxy">,
|
|
<ref id="vcprintf" name="vcprintf">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>cputcxy<label id="cputcxy"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Output a character at a specific screen position.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ cputcxy (unsigned char x, unsigned char y, char c);/
|
|
<tag/Description/<tt/cputcxy/ moves the cursor to the given x/y position on
|
|
the screen and outputs one character.
|
|
<tag/Limits/<itemize>
|
|
<item>Like all other <tt/conio/ output functions, <tt/cputcxy/ distinguishes
|
|
between <tt/\r/ and <tt/\n/.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="cprintf" name="cprintf">,
|
|
<ref id="cputc" name="cputc">,
|
|
<ref id="cputs" name="cputs">,
|
|
<ref id="cputsxy" name="cputsxy">,
|
|
<ref id="vcprintf" name="vcprintf">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>cputs<label id="cputs"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Output a string directly to the console.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ cputs (const char* s);/
|
|
<tag/Description/The function outputs the given string on the console at the
|
|
current cursor position.
|
|
<tag/Limits/<itemize>
|
|
<item>Like all other <tt/conio/ output functions, <tt/cputs/ distinguishes
|
|
between <tt/\r/ and <tt/\n/.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="cprintf" name="cprintf">,
|
|
<ref id="cputc" name="cputc">,
|
|
<ref id="cputcxy" name="cputcxy">,
|
|
<ref id="cputsxy" name="cputsxy">,
|
|
<ref id="vcprintf" name="vcprintf">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>cputsxy<label id="cputsxy"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Output a string to the console at a given position.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ cputsxy (unsigned char x, unsigned char y, const char* s);/
|
|
<tag/Description/<tt/cputsxy/ moves the cursor to the given x/y position,
|
|
and outputs the string <tt/s/.
|
|
<tag/Limits/<itemize>
|
|
<item>Like all other <tt/conio/ output functions, <tt/cputsxy/ distinguishes
|
|
between <tt/\r/ and <tt/\n/.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="cprintf" name="cprintf">,
|
|
<ref id="cputc" name="cputc">,
|
|
<ref id="cputcxy" name="cputcxy">,
|
|
<ref id="cputs" name="cputs">,
|
|
<ref id="vcprintf" name="vcprintf">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>cursor<label id="cursor"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Enable/disable a blinking cursor when waiting for keyboard input.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ cursor (unsigned char onoff);/
|
|
<tag/Description/If the argument to the function is non zero, a blinking cursor
|
|
will be enabled when the <tt/cgetc/ function waits for input from the keyboard.
|
|
If the argument is zero, <tt/cgetc/ will wait without a blinking cursor.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="cgetc" name="cgetc">,
|
|
<ref id="kbhit" name="kbhit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>cvline<label id="cvline"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Output a vertical line in text mode.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ cvline (unsigned char length);/
|
|
<tag/Description/The function outputs a vertical line with the given length
|
|
starting at the current cursor position.
|
|
<tag/Limits/<itemize>
|
|
<item>The character used to draw the vertical line is system dependent.
|
|
If available, a line drawing character is used. Drawing a line that is partially
|
|
off screen leads to undefined behaviour.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="chline" name="chline">,
|
|
<ref id="chlinexy" name="chlinexy">,
|
|
<ref id="cvlinexy" name="cvlinexy">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>cvlinexy<label id="cvlinexy"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Output a vertical line at a given position in text mode.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ cvlinexy (unsigned char x, unsigned char y, unsigned char length);/
|
|
<tag/Description/The function outputs a vertical line with the given length
|
|
starting at a given position.
|
|
<tag/Limits/<itemize>
|
|
<item>The character used to draw the vertical line is system dependent.
|
|
If available, a line drawing character is used. Drawing a line that is partially
|
|
off screen leads to undefined behaviour.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="chline" name="chline">,
|
|
<ref id="chlinexy" name="chlinexy">,
|
|
<ref id="cvline" name="cvline">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>div<label id="div"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Divide two ints and return quotient and remainder.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/div_t __fastcall__ div (int numer, int denom);/
|
|
<tag/Description/<tt/div/ divides <tt/numer/ by <tt/denom/ and returns the
|
|
quotient and remainder in a <tt/div_t/ structure.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
ldiv
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>em_commit<label id="em_commit"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Commit changes into extended memory.
|
|
<tag/Header/<tt/<ref id="em.h" name="em.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ em_commit (void);/
|
|
<tag/Description/Commit changes in the memory window to extended storage. If
|
|
the contents of the memory window have been changed, these changes may be lost
|
|
if <tt/<ref id="em_map" name="em_map">/, <tt/<ref id="em_use" name="em_use">/,
|
|
<tt/<ref id="em_copyfrom" name="em_copyfrom">/ or <tt/<ref id="em_copyto"
|
|
name="em_copyto">/ are called without calling <tt/em_commit/ first.
|
|
<tag/Limits/<itemize>
|
|
<item>Calling <tt/em_commit/ does not necessarily mean that changes to the
|
|
memory window are discarded, it does just mean that the drivers is allowed
|
|
to discard it.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
<item>The function produces undefined results if no extended memory driver is
|
|
loaded.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="em_load_driver" name="em_load_driver">,
|
|
<ref id="em_map" name="em_map">,
|
|
<ref id="em_use" name="em_use">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>em_copyfrom<label id="em_copyfrom"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Copy from extended into normal memory.
|
|
<tag/Header/<tt/<ref id="em.h" name="em.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ em_copyfrom (const struct em_copy* copy_data);/
|
|
<tag/Description/Copy data from extended memory into linear memory. Source and
|
|
target addresses as well as the number of bytes to transfer are specified in
|
|
the <tt/em_copy/ structure that is passed as a parameter.
|
|
<tag/Limits/<itemize>
|
|
<item>Calling <tt/em_copyfrom/ will invalidate the memory window, so if you
|
|
made any changes to the data in the window, call <tt/<ref id="em_commit"
|
|
name="em_commit">/ first, or the changes are lost.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
<item>The function produces undefined results if no extended memory driver is
|
|
loaded.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="em_commit" name="em_commit">,
|
|
<ref id="em_copyto" name="em_copyto">,
|
|
<ref id="em_load_driver" name="em_load_driver">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>em_copyto<label id="em_copyto"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Copy from normal into extended memory.
|
|
<tag/Header/<tt/<ref id="em.h" name="em.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ em_copyto (const struct em_copy* copy_data);/
|
|
<tag/Description/Copy data from linear into extended memory. Source and
|
|
target addresses as well as the number of bytes to transfer are specified in
|
|
the <tt/em_copy/ structure that is passed as a parameter.
|
|
<tag/Limits/<itemize>
|
|
<item>Calling <tt/em_copyto/ will invalidate the memory window, so if you
|
|
made any changes to the data in the window, call <tt/<ref id="em_commit"
|
|
name="em_commit">/ first, or the changes are lost.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
<item>The function produces undefined results if no extended memory driver is
|
|
loaded.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="em_commit" name="em_commit">,
|
|
<ref id="em_copyfrom" name="em_copyfrom">,
|
|
<ref id="em_load_driver" name="em_load_driver">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>em_install<label id="em_install"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Install an already loaded extended memory driver.
|
|
<tag/Header/<tt/<ref id="em.h" name="em.h">/
|
|
<tag/Declaration/<tt/unsigned char _fastcall__ em_install (void* driver);/
|
|
<tag/Description/The function installs an already loaded extended memory driver
|
|
and returns an error code. The function may be used to install a driver linked
|
|
statically to the program.
|
|
<tag/Limits/<itemize>
|
|
<item>Not all drivers are able to detect if the supported hardware is really
|
|
present.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="em_load_driver" name="em_load_driver">,
|
|
<ref id="em_uninstall" name="em_uninstall">,
|
|
<ref id="em_unload" name="em_unload">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>em_load_driver<label id="em_load_driver"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Load and initialize an extended memory driver.
|
|
<tag/Header/<tt/<ref id="em.h" name="em.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ em_load_driver (const char* name);/
|
|
<tag/Description/Load an extended memory driver into memory and initialize
|
|
it. The function returns an error code that tells if all this has been
|
|
successful.
|
|
<tag/Limits/<itemize>
|
|
<item>Not all drivers are able to detect if the supported hardware is really
|
|
present.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
<item>The driver is loaded by name, so currently you must know the type of
|
|
extended memory that should be supported. There is no autodetect capability.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="em_unload" name="em_unload">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>em_map<label id="em_map"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Make a page of extended memory accessible.
|
|
<tag/Header/<tt/<ref id="em.h" name="em.h">/
|
|
<tag/Declaration/<tt/void* __fastcall__ em_map (unsigned page);/
|
|
<tag/Description/The function maps one page of extended memory into linear
|
|
memory and returns a pointer to the page frame. Depending on the hardware
|
|
and driver, the data is either mapped into the address space or transfered
|
|
into a buffer. If you don't need the actual contents of the page (for example
|
|
because you're going to overwrite it completely, it is better to call
|
|
<tt/<ref id="em_use" name="em_use">/ instead. <tt/em_use/ will not transfer the
|
|
data if it is possible to avoid that.
|
|
<tag/Limits/<itemize>
|
|
<item>Calling <tt/em_map/ will invalidate the memory window, so if you
|
|
made any changes to the data in the window, call <tt/<ref id="em_commit"
|
|
name="em_commit">/ first, or the changes are lost.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
<item>The function produces undefined results if no extended memory driver is
|
|
loaded.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="em_commit" name="em_commit">,
|
|
<ref id="em_load_driver" name="em_load_driver">,
|
|
<ref id="em_use" name="em_use">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>em_pagecount<label id="em_pagecount"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return the number of available extended memory pages.
|
|
<tag/Header/<tt/<ref id="em.h" name="em.h">/
|
|
<tag/Declaration/<tt/unsigned __fastcall__ em_pagecount (void);/
|
|
<tag/Description/The function returns the size of the extended memory supported
|
|
by the driver in 256 byte pages.
|
|
<tag/Limits/<itemize>
|
|
<item>The function returns zero if no extended memory driver is loaded.
|
|
<item>The function may return zero if the supported hardware was not detected.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="em_load_driver" name="em_load_driver">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>em_uninstall<label id="em_uninstall"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Uninstall an already loaded extended memory driver.
|
|
<tag/Header/<tt/<ref id="em.h" name="em.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ em_install (void);/
|
|
<tag/Description/The function uninstalls an already loaded extended memory
|
|
driver but doesn't remove it from memory.
|
|
<tag/Limits/<itemize>
|
|
<item>If the driver has been loaded using <tt/<ref id="em_load_driver"
|
|
name="em_load_driver">/, <tt/<ref id="em_unload" name="em_unload">/
|
|
should be used instead of <tt/em_uninstall/ so the driver is also removed
|
|
from memory.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="em_install" name="em_install">,
|
|
<ref id="em_load_driver" name="em_load_driver">,
|
|
<ref id="em_unload" name="em_unload">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>em_unload<label id="em_unload"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Unload an extended memory driver.
|
|
<tag/Header/<tt/<ref id="em.h" name="em.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ em_unload (void);/
|
|
<tag/Description/The function unloads a loaded extended memory driver and
|
|
frees all memory allocated for the driver.
|
|
<tag/Limits/<itemize>
|
|
<item>The function does nothing if no driver is loaded.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="em_load_driver" name="em_load_driver">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>em_use<label id="em_use"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Prepare an extended memory page for use.
|
|
<tag/Header/<tt/<ref id="em.h" name="em.h">/
|
|
<tag/Declaration/<tt/void* __fastcall__ em_use (unsigned page);/
|
|
<tag/Description/The function maps one page of extended memory into linear
|
|
memory and returns a pointer to the page frame. This function is similar to
|
|
<tt/<ref id="em_map" name="em_map">/, but will not transfer data into the
|
|
actual memory window in the assumption that the existing data is wrong or
|
|
will get overwritten.
|
|
<tag/Limits/<itemize>
|
|
<item>Calling <tt/em_use/ will invalidate the memory window, so if you
|
|
made any changes to the data in the window, call <tt/<ref id="em_commit"
|
|
name="em_commit">/ first, or the changes are lost.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
<item>The function produces undefined results if no extended memory driver is
|
|
loaded.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="em_commit" name="em_commit">,
|
|
<ref id="em_load_driver" name="em_load_driver">,
|
|
<ref id="em_map" name="em_map">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>exit<label id="exit"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Terminate the program.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ exit (int status);/
|
|
<tag/Description/<tt/exit/ terminates the program. The argument specifies the
|
|
return code of the program. Before termination, all files are closed, buffered
|
|
output is written and any functions registered with <tt/<ref id="atexit"
|
|
name="atexit">/ are called. Common values for status are <tt/EXIT_SUCCESS/ and
|
|
<tt/EXIT_FAILURE/ which are also defined in <tt/<ref id="stdlib.h"
|
|
name="stdlib.h">/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>It depends on the host machine if the program return code can be
|
|
evaluated or is ignored.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="abort" name="abort">,
|
|
<ref id="exit" name="exit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>fast<label id="fast"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Switch the C128 into 2MHz mode.
|
|
<tag/Header/<tt/<ref id="c128.h" name="c128.h">/
|
|
<tag/Declaration/<tt/void fast (void);/
|
|
<tag/Description/The function will switch the clock of the C128 to 2MHz. This
|
|
will nearly double the speed compared to slow mode.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is specific to the C128.
|
|
<item>2MHz clock will not work in 40 column mode.
|
|
</itemize>
|
|
<tag/Availability/C128
|
|
<tag/See also/
|
|
<ref id="slow" name="slow">,
|
|
<ref id="toggle_videomode" name="toggle_videomode">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>feof<label id="feof"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return the end-of-file indicator of a stream.
|
|
<tag/Header/<tt/<ref id="stdio.h" name="stdio.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ feof (FILE* f);/
|
|
<tag/Description/<tt/feof/ tests the end-of-file indicator ofthe stream
|
|
<tt/f/, and returns a non zero value if it is set.
|
|
<tag/Limits/<itemize>
|
|
<item>The indicator is set only after a read past the end of a file is
|
|
attempted.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="feof" name="clearerr">,
|
|
<ref id="ferror" name="ferror">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>ferror<label id="ferror"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return the error indicator of a stream.
|
|
<tag/Header/<tt/<ref id="stdio.h" name="stdio.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ ferror (FILE* f);/
|
|
<tag/Description/<tt/ferror/ tests the error indicator of the stream
|
|
<tt/f/, and returns a non zero value if it is set.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="feof" name="clearerr">,
|
|
<ref id="ferror" name="feof">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>fileno<label id="fileno"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return the file handle used by a stream.
|
|
<tag/Header/<tt/<ref id="stdio.h" name="stdio.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ fileno (FILE* f);/
|
|
<tag/Description/The <tt/fileno/ function returns the file handle used
|
|
internally by a C stream. This file handle (an integer) can be used as a
|
|
handle for the POSIX input/output functions.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
<item>Mixing C file I/O functions and POSIX file I/O functions for the same
|
|
file may have unpredictable results.
|
|
</itemize>
|
|
<tag/Availability/POSIX 1003.1
|
|
<tag/See also/
|
|
<ref id="creat" name="creat">,
|
|
<ref id="open" name="open"> <!-- , -->
|
|
<!-- <ref id="read" name="read">, -->
|
|
<!-- <ref id="write" name="write"> -->
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>free<label id="free"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Free a block of dynamic memory.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ free (void* block);/
|
|
<tag/Description/Free a block of dynamic memory previously allocated with
|
|
<tt/<ref id="malloc" name="malloc">/, <tt/<ref id="calloc" name="calloc">/
|
|
or <tt/<ref id="realloc" name="realloc">/. As an exception, if the passed
|
|
pointer is <tt/NULL/, no action is performed.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>Passing an already free'd block to <tt/free/ again will cause undefined
|
|
behaviour and may crash your program.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="_heapadd" name="_heapadd">,
|
|
<ref id="_heapblocksize" name="_heapblocksize">,
|
|
<ref id="_heapmaxavail" name="_heapmaxavail">,
|
|
<ref id="_heapmemavail" name="_heapmemavail">,
|
|
<ref id="calloc" name="calloc">,
|
|
<ref id="malloc" name="malloc">,
|
|
<ref id="realloc" name="realloc">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>get_ostype<label id="get_ostype"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/The function returns the operating system, the program runs on.
|
|
<tag/Header/<tt/<ref id="apple2.h" name="apple2.h">,
|
|
<ref id="atari.h" name="atari.h">, <ref id="c64.h" name="c64.h">/
|
|
<tag/Declaration/<tt/unsigned char get_ostype (void);/
|
|
<tag/Description/<tt/get_ostype/ is machine dependent and does not exist for
|
|
all supported targets. If it exists, it returns a number that identifies the
|
|
operating system or machine type, the program runs on. The machine dependent
|
|
header files define constants that can be used to check the return code.
|
|
<tag/Limits/<itemize>
|
|
<item>The function does not exist on all platforms.
|
|
<item>The return codes are platform dependent.
|
|
</itemize>
|
|
<tag/Availability/cc65 (not all platforms)
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>getenv<label id="getenv"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return a value from the environment.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ getenv (const char* name);/
|
|
<tag/Description/The function searches the environment for an entry that
|
|
matches <tt/name/ and returns its value. The environment consists of a list
|
|
of strings in the form <tt/name=value/. If there is no match, <tt/getenv/
|
|
returns <tt/NULL/.
|
|
<tag/Limits/<itemize>
|
|
<item>What exactly is stored in the environment depends on the machine the
|
|
program is running on.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>getcpu<label id="getcpu"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Determine on which CPU the program is running.
|
|
<tag/Header/<tt/<ref id="6502.h" name="6502.h">/
|
|
<tag/Declaration/<tt/unsigned char getcpu (void);/
|
|
<tag/Description/The function checks on which CPU the code is running. It
|
|
returns one of the constants<itemize>
|
|
<item><tt/CPU_6502/
|
|
<item><tt/CPU_65C02/
|
|
<item><tt/CPU_65816/
|
|
</itemize>
|
|
<tag/Limits/<itemize>
|
|
<item>Other, more exotic CPU types are not disinguished.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>gotox<label id="gotox"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Move the text mode cursor to a new X position.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ gotox (unsigned char x);/
|
|
<tag/Description/The function moves the text mode cursor to the specified X
|
|
position while leaving the Y position untouched. The leftmost position on the
|
|
screen has the coordinate 0.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may
|
|
only be used in presence of a prototype.
|
|
<item>Invalid values for the X position (out of screen coordinates) may
|
|
lead to undefined behaviour.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="gotoy" name="gotoy">,
|
|
<ref id="gotoxy" name="gotoxy">,
|
|
<ref id="wherex" name="wherex">,
|
|
<ref id="wherey" name="wherey">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>gotoxy<label id="gotoxy"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Move the text mode cursor to a new position.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ gotoxy (unsigned char x, unsigned char y);/
|
|
<tag/Description/The function moves the text mode cursor to the specified
|
|
position. The leftmost position on the screen has the X coordinate 0, the
|
|
topmost line has the Y coordinate 0.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
<item>Invalid values for any of both coordinates (out of screen positions) may
|
|
lead to undefined behaviour.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="gotox" name="gotox">,
|
|
<ref id="gotoy" name="gotoy">,
|
|
<ref id="wherex" name="wherex">,
|
|
<ref id="wherey" name="wherey">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>gotoy<label id="gotoy"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Move the text mode cursor to a new Y position.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ gotoy (unsigned char x);/
|
|
<tag/Description/The function moves the text mode cursor to the specified Y
|
|
position while leaving the X position untouched. The uppermost position on the
|
|
screen has the coordinate 0.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may
|
|
only be used in presence of a prototype.
|
|
<item>Invalid values for the Y position (out of screen coordinates) may lead
|
|
to undefined behaviour.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="gotox" name="gotox">,
|
|
<ref id="gotoxy" name="gotoxy">,
|
|
<ref id="wherex" name="wherex">,
|
|
<ref id="wherey" name="wherey">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>isalnum<label id="isalnum"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Check if a given character is a letter or digit.
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ isalnum (int c);/
|
|
<tag/Description/The function returns a value of zero if the given argument
|
|
is a letter or digit. The return value is non zero if the character
|
|
is anything else.
|
|
<tag/Limits/<itemize>
|
|
<item>When compiling with <tt/-Os/ the function is actually a macro. The
|
|
inline sequence generated by the macro will not work correctly for values
|
|
outside the range 0..255. <bf/Note:/ The constant <tt/EOF/ is not part of
|
|
this range. The non inline function may be accessed by <tt/#undef/'ing
|
|
the macro.
|
|
<item>When compiling without <tt/-Os/, the function is only available as
|
|
fastcall function, so it may only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="isalpha" name="isalpha">,
|
|
<ref id="isascii" name="isascii">,
|
|
<ref id="isblank" name="isblank">,
|
|
<ref id="iscntrl" name="iscntrl">,
|
|
<ref id="isdigit" name="isdigit">,
|
|
<ref id="isgraph" name="isgraph">,
|
|
<ref id="islower" name="islower">,
|
|
<ref id="isprint" name="isprint">,
|
|
<ref id="ispunct" name="ispunct">,
|
|
<ref id="isspace" name="isspace">,
|
|
<ref id="isupper" name="isupper">,
|
|
<ref id="isxdigit" name="isxdigit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>isalpha<label id="isalpha"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Check if a given character is a letter.
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ isalpha (int c);/
|
|
<tag/Description/The function returns a value of zero if the given argument
|
|
is a letter. The return value is non zero if the character is anything else.
|
|
<tag/Limits/<itemize>
|
|
<item>When compiling with <tt/-Os/ the function is actually a macro. The
|
|
inline sequence generated by the macro will not work correctly for values
|
|
outside the range 0..255. <bf/Note:/ The constant <tt/EOF/ is not part of
|
|
this range. The non inline function may be accessed by <tt/#undef/'ing the
|
|
macro.
|
|
<item>When compiling without <tt/-Os/, the function is only available as
|
|
fastcall function, so it may only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="isalnum" name="isalnum">,
|
|
<ref id="isascii" name="isascii">,
|
|
<ref id="isblank" name="isblank">,
|
|
<ref id="iscntrl" name="iscntrl">,
|
|
<ref id="isdigit" name="isdigit">,
|
|
<ref id="isgraph" name="isgraph">,
|
|
<ref id="islower" name="islower">,
|
|
<ref id="isprint" name="isprint">,
|
|
<ref id="ispunct" name="ispunct">,
|
|
<ref id="isspace" name="isspace">,
|
|
<ref id="isupper" name="isupper">,
|
|
<ref id="isxdigit" name="isxdigit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>isascii<label id="isascii"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Check if a given character is in the ASCII (0..127) range.
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ isascii (int c);/
|
|
<tag/Description/The function returns a value of zero if the given argument
|
|
is in the range 0..127 (the range of valid ASCII characters) and a non zero
|
|
value if not.
|
|
<tag/Limits/<itemize>
|
|
<item>When compiling with <tt/-Os/ the function is actually a macro. The
|
|
inline sequence generated by the macro will not work correctly for values
|
|
outside the range 0..255. <bf/Note:/ The constant <tt/EOF/ is not part of
|
|
this range. The non inline function may be accessed by <tt/#undef/'ing the
|
|
macro.
|
|
<item>When compiling without <tt/-Os/, the function is only available as
|
|
fastcall function, so it may only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="isalnum" name="isalnum">,
|
|
<ref id="isalpha" name="isalpha">,
|
|
<ref id="isblank" name="isblank">,
|
|
<ref id="iscntrl" name="iscntrl">,
|
|
<ref id="isdigit" name="isdigit">,
|
|
<ref id="isgraph" name="isgraph">,
|
|
<ref id="islower" name="islower">,
|
|
<ref id="isprint" name="isprint">,
|
|
<ref id="ispunct" name="ispunct">,
|
|
<ref id="isspace" name="isspace">,
|
|
<ref id="isupper" name="isupper">,
|
|
<ref id="isxdigit" name="isxdigit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>isblank<label id="isblank"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Check if a given character is a space or tab.
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ isblank (int c);/
|
|
<tag/Description/The function returns a value of zero if the given argument
|
|
is a space or tab character. The return value is non zero if the character
|
|
is anything else.
|
|
<tag/Limits/<itemize>
|
|
<item>When compiling with <tt/-Os/ the function is actually a macro. The
|
|
inline sequence generated by the macro will not work correctly for values
|
|
outside the range 0..255. <bf/Note:/ The constant <tt/EOF/ is not part of
|
|
this range. The non inline function may be accessed by <tt/#undef/'ing the
|
|
macro.
|
|
<item>When compiling without <tt/-Os/, the function is only available as
|
|
fastcall function, so it may only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="isalnum" name="isalnum">,
|
|
<ref id="isalpha" name="isalpha">,
|
|
<ref id="isascii" name="isascii">,
|
|
<ref id="iscntrl" name="iscntrl">,
|
|
<ref id="isdigit" name="isdigit">,
|
|
<ref id="isgraph" name="isgraph">,
|
|
<ref id="islower" name="islower">,
|
|
<ref id="isprint" name="isprint">,
|
|
<ref id="ispunct" name="ispunct">,
|
|
<ref id="isspace" name="isspace">,
|
|
<ref id="isupper" name="isupper">,
|
|
<ref id="isxdigit" name="isxdigit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>iscntrl<label id="iscntrl"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Check if a given character is a control character.
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ iscntrl (int c);/
|
|
<tag/Description/The function returns a value of zero if the given argument
|
|
is a control character. The return value is non zero if the character
|
|
is anything else.
|
|
<tag/Limits/<itemize>
|
|
<item>When compiling with <tt/-Os/ the function is actually a macro. The
|
|
inline sequence generated by the macro will not work correctly for values
|
|
outside the range 0..255. <bf/Note:/ The constant <tt/EOF/ is not part of
|
|
this range. The non inline function may be accessed by <tt/#undef/'ing the
|
|
macro.
|
|
<item>When compiling without <tt/-Os/, the function is only available as
|
|
fastcall function, so it may only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="isalnum" name="isalnum">,
|
|
<ref id="isalpha" name="isalpha">,
|
|
<ref id="isascii" name="isascii">,
|
|
<ref id="isblank" name="isblank">,
|
|
<ref id="isdigit" name="isdigit">,
|
|
<ref id="isgraph" name="isgraph">,
|
|
<ref id="islower" name="islower">,
|
|
<ref id="isprint" name="isprint">,
|
|
<ref id="ispunct" name="ispunct">,
|
|
<ref id="isspace" name="isspace">,
|
|
<ref id="isupper" name="isupper">,
|
|
<ref id="isxdigit" name="isxdigit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>isdigit<label id="isdigit"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Check if a given character is a digit.
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ isdigit (int c);/
|
|
<tag/Description/The function returns a value of zero if the given argument
|
|
is a digit. The return value is non zero if the character is anything else.
|
|
<tag/Limits/<itemize>
|
|
<item>When compiling with <tt/-Os/ the function is actually a macro. The
|
|
inline sequence generated by the macro will not work correctly for values
|
|
outside the range 0..255. <bf/Note:/ The constant <tt/EOF/ is not part of
|
|
this range. The non inline function may be accessed by <tt/#undef/'ing the
|
|
macro.
|
|
<item>When compiling without <tt/-Os/, the function is only available as
|
|
fastcall function, so it may only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="isalnum" name="isalnum">,
|
|
<ref id="isalpha" name="isalpha">,
|
|
<ref id="isascii" name="isascii">,
|
|
<ref id="isblank" name="isblank">,
|
|
<ref id="iscntrl" name="iscntrl">,
|
|
<ref id="isgraph" name="isgraph">,
|
|
<ref id="islower" name="islower">,
|
|
<ref id="isprint" name="isprint">,
|
|
<ref id="ispunct" name="ispunct">,
|
|
<ref id="isspace" name="isspace">,
|
|
<ref id="isupper" name="isupper">,
|
|
<ref id="isxdigit" name="isxdigit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>isgraph<label id="isgraph"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Check if a given character is a printable character (except
|
|
space).
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ isgraph (int c);/
|
|
<tag/Description/The function returns a value of zero if the given argument
|
|
is a printable character with the exception of space. The return value is non
|
|
zero if the character is anything else.
|
|
<tag/Limits/<itemize>
|
|
<item>When compiling with <tt/-Os/ the function is actually a macro. The
|
|
inline sequence generated by the macro will not work correctly for values
|
|
outside the range 0..255. <bf/Note:/ The constant <tt/EOF/ is not part of
|
|
this range. The non inline function may be accessed by <tt/#undef/'ing the
|
|
macro.
|
|
<item>When compiling without <tt/-Os/, the function is only available as
|
|
fastcall function, so it may only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="isalnum" name="isalnum">,
|
|
<ref id="isalpha" name="isalpha">,
|
|
<ref id="isascii" name="isascii">,
|
|
<ref id="isblank" name="isblank">,
|
|
<ref id="iscntrl" name="iscntrl">,
|
|
<ref id="isdigit" name="isdigit">,
|
|
<ref id="islower" name="islower">,
|
|
<ref id="isprint" name="isprint">,
|
|
<ref id="ispunct" name="ispunct">,
|
|
<ref id="isspace" name="isspace">,
|
|
<ref id="isupper" name="isupper">,
|
|
<ref id="isxdigit" name="isxdigit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>islower<label id="islower"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Check if a given character is a lower case letter.
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ islower (int c);/
|
|
<tag/Description/The function returns a value of zero if the given argument
|
|
is a lower case letter. The return value is non zero if the character is
|
|
anything else.
|
|
<tag/Limits/<itemize>
|
|
<item>When compiling with <tt/-Os/ the function is actually a macro. The
|
|
inline sequence generated by the macro will not work correctly for values
|
|
outside the range 0..255. <bf/Note:/ The constant <tt/EOF/ is not part of
|
|
this range. The non inline function may be accessed by <tt/#undef/'ing the
|
|
macro.
|
|
<item>When compiling without <tt/-Os/, the function is only available as
|
|
fastcall function, so it may only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="isalnum" name="isalnum">,
|
|
<ref id="isalpha" name="isalpha">,
|
|
<ref id="isascii" name="isascii">,
|
|
<ref id="isblank" name="isblank">,
|
|
<ref id="iscntrl" name="iscntrl">,
|
|
<ref id="isdigit" name="isdigit">,
|
|
<ref id="isgraph" name="isgraph">,
|
|
<ref id="isprint" name="isprint">,
|
|
<ref id="ispunct" name="ispunct">,
|
|
<ref id="isspace" name="isspace">,
|
|
<ref id="isupper" name="isupper">,
|
|
<ref id="isxdigit" name="isxdigit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>isprint<label id="isprint"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Check if a given character is a printable character.
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ isprint (int c);/
|
|
<tag/Description/The function returns a value of zero if the given argument
|
|
is a printable character (this includes the space character). The return value
|
|
is non zero if the character is anything else.
|
|
<tag/Limits/<itemize>
|
|
<item>When compiling with <tt/-Os/ the function is actually a macro. The
|
|
inline sequence generated by the macro will not work correctly for values
|
|
outside the range 0..255. <bf/Note:/ The constant <tt/EOF/ is not part of
|
|
this range. The non inline function may be accessed by <tt/#undef/'ing the
|
|
macro.
|
|
<item>When compiling without <tt/-Os/, the function is only available as
|
|
fastcall function, so it may only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="isalnum" name="isalnum">,
|
|
<ref id="isalpha" name="isalpha">,
|
|
<ref id="isascii" name="isascii">,
|
|
<ref id="isblank" name="isblank">,
|
|
<ref id="iscntrl" name="iscntrl">,
|
|
<ref id="isdigit" name="isdigit">,
|
|
<ref id="isgraph" name="isgraph">,
|
|
<ref id="islower" name="islower">,
|
|
<ref id="ispunct" name="ispunct">,
|
|
<ref id="isspace" name="isspace">,
|
|
<ref id="isupper" name="isupper">,
|
|
<ref id="isxdigit" name="isxdigit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>ispunct<label id="ispunct"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Check if a given character is a printable character but not a
|
|
space or an alphanumeric character.
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ ispunct (int c);/
|
|
<tag/Description/The function returns a value of zero if the given argument
|
|
is a printable character, but not a space or anything alphanumeric. The return
|
|
value is non zero if the character is anything else.
|
|
<tag/Limits/<itemize>
|
|
<item>When compiling with <tt/-Os/ the function is actually a macro. The
|
|
inline sequence generated by the macro will not work correctly for values
|
|
outside the range 0..255. <bf/Note:/ The constant <tt/EOF/ is not part of
|
|
this range. The non inline function may be accessed by <tt/#undef/'ing the
|
|
macro.
|
|
<item>When compiling without <tt/-Os/, the function is only available as
|
|
fastcall function, so it may only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="isalnum" name="isalnum">,
|
|
<ref id="isalpha" name="isalpha">,
|
|
<ref id="isascii" name="isascii">,
|
|
<ref id="isblank" name="isblank">,
|
|
<ref id="iscntrl" name="iscntrl">,
|
|
<ref id="isdigit" name="isdigit">,
|
|
<ref id="isgraph" name="isgraph">,
|
|
<ref id="islower" name="islower">,
|
|
<ref id="isprint" name="isprint">,
|
|
<ref id="isspace" name="isspace">,
|
|
<ref id="isupper" name="isupper">,
|
|
<ref id="isxdigit" name="isxdigit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>isspace<label id="isspace"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Check if a given character is a a white-space character.
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ isspace (int c);/
|
|
<tag/Description/The function returns a value of zero if the given argument
|
|
is a white space character. The return value is non zero if the character is
|
|
anything else. The standard white space characters are: space, formfeed ('\f'),
|
|
newline ('\n'), carriage return ('\r'), horizontal tab ('\t'), and vertical tab
|
|
('\v').
|
|
<tag/Limits/<itemize>
|
|
<item>When compiling with <tt/-Os/ the function is actually a macro. The
|
|
inline sequence generated by the macro will not work correctly for values
|
|
outside the range 0..255. <bf/Note:/ The constant <tt/EOF/ is not part of
|
|
this range. The non inline function may be accessed by <tt/#undef/'ing the
|
|
macro.
|
|
<item>When compiling without <tt/-Os/, the function is only available as
|
|
fastcall function, so it may only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="isalnum" name="isalnum">,
|
|
<ref id="isalpha" name="isalpha">,
|
|
<ref id="isascii" name="isascii">,
|
|
<ref id="isblank" name="isblank">,
|
|
<ref id="iscntrl" name="iscntrl">,
|
|
<ref id="isdigit" name="isdigit">,
|
|
<ref id="isgraph" name="isgraph">,
|
|
<ref id="islower" name="islower">,
|
|
<ref id="isprint" name="isprint">,
|
|
<ref id="ispunct" name="ispunct">,
|
|
<ref id="isupper" name="isupper">,
|
|
<ref id="isxdigit" name="isxdigit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>isupper<label id="isupper"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Check if a given character is an upper case letter.
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ isupper (int c);/
|
|
<tag/Description/The function returns a value of zero if the given argument
|
|
is an upper case letter. The return value is non zero if the character is
|
|
anything else.
|
|
<tag/Limits/<itemize>
|
|
<item>When compiling with <tt/-Os/ the function is actually a macro. The
|
|
inline sequence generated by the macro will not work correctly for values
|
|
outside the range 0..255. <bf/Note:/ The constant <tt/EOF/ is not part of
|
|
this range. The non inline function may be accessed by <tt/#undef/'ing the
|
|
macro.
|
|
<item>When compiling without <tt/-Os/, the function is only available as
|
|
fastcall function, so it may only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="isalnum" name="isalnum">,
|
|
<ref id="isalpha" name="isalpha">,
|
|
<ref id="isascii" name="isascii">,
|
|
<ref id="isblank" name="isblank">,
|
|
<ref id="iscntrl" name="iscntrl">,
|
|
<ref id="isdigit" name="isdigit">,
|
|
<ref id="isgraph" name="isgraph">,
|
|
<ref id="islower" name="islower">,
|
|
<ref id="isprint" name="isprint">,
|
|
<ref id="ispunct" name="ispunct">,
|
|
<ref id="isspace" name="isspace">,
|
|
<ref id="isxdigit" name="isxdigit">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>isxdigit<label id="isxdigit"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Check if a given character is a hexadecimal digit.
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ isxdigit (int c);/
|
|
<tag/Description/The function returns a value of zero if the given argument
|
|
is a hexadecimal digit (0..9, a..f and A..F). The return value is non zero
|
|
if the character is anything else.
|
|
<tag/Limits/<itemize>
|
|
<item>When compiling with <tt/-Os/ the function is actually a macro. The
|
|
inline sequence generated by the macro will not work correctly for values
|
|
outside the range 0..255. <bf/Note:/ The constant <tt/EOF/ is not part of
|
|
this range. The non inline function may be accessed by <tt/#undef/'ing the
|
|
macro.
|
|
<item>When compiling without <tt/-Os/, the function is only available as
|
|
fastcall function, so it may only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="isalnum" name="isalnum">,
|
|
<ref id="isalpha" name="isalpha">,
|
|
<ref id="isascii" name="isascii">,
|
|
<ref id="isblank" name="isblank">,
|
|
<ref id="iscntrl" name="iscntrl">,
|
|
<ref id="isdigit" name="isdigit">,
|
|
<ref id="isgraph" name="isgraph">,
|
|
<ref id="islower" name="islower">,
|
|
<ref id="isprint" name="isprint">,
|
|
<ref id="ispunct" name="ispunct">,
|
|
<ref id="isspace" name="isspace">,
|
|
<ref id="isupper" name="isupper">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>itoa<label id="itoa"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Convert an integer into a string.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ itoa (int val, char* buf, int radix);/
|
|
<tag/Description/<tt/itoa/ converts the integer <tt/val/ into a string using
|
|
<tt/radix/ as the base.
|
|
<tag/Limits/<itemize>
|
|
<item>There are no provisions to prevent a buffer overflow.
|
|
<item>If <tt/val/ contains <tt/INT_MIN/, the behaviour is undefined.
|
|
<item>The function is non standard, so it is not available in strict ANSI mode.
|
|
You should probably use <tt/sprintf/ instead.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="atoi" name="atoi">,
|
|
<ref id="atol" name="atol">,
|
|
<ref id="ltoa" name="ltoa">,
|
|
<ref id="ultoa" name="ultoa">,
|
|
<ref id="utoa" name="utoa">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>joy_count<label id="joy_count"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return the number of joysticks supported by the current driver.
|
|
<tag/Header/<tt/<ref id="joystick.h" name="joystick.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ joy_count (void);/
|
|
<tag/Description/The function returns a the number of joysticks supported
|
|
by the current joystick driver.
|
|
<tag/Limits/<itemize>
|
|
<item>A joystick driver must be loaded using <ref id="joy_load_driver"
|
|
name="joy_load_driver"> before calling this function.
|
|
<item>The function returns the number of joysticks supported by the driver.
|
|
There's no way to check for the number of actually connected joysticks.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="joy_load_driver" name="joy_load_driver">,
|
|
<ref id="joy_read" name="joy_read">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>joy_install<label id="joy_install"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Install an already loaded driver and return an error code.
|
|
<tag/Header/<tt/<ref id="joystick.h" name="joystick.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ joy_install (void* driver);/
|
|
<tag/Description/The function installs a driver that was already loaded into
|
|
memory (or linked statically to the program). It returns an error code
|
|
(<tt/JOY_ERR_OK/ in case of success).
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="joy_load_driver" name="joy_load_driver">,
|
|
<ref id="joy_uninstall" name="joy_uninstall">,
|
|
<ref id="joy_unload" name="joy_unload">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>joy_load_driver<label id="joy_load_driver"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Load a driver from disk and install it.
|
|
<tag/Header/<tt/<ref id="joystick.h" name="joystick.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ joy_load_driver (const char* driver);/
|
|
<tag/Description/The function loads a driver with the given name from disk
|
|
and installs it. An error code is returned, which is <tt/JOY_ERR_OK/ if the
|
|
driver was successfully loaded and installed.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="joy_install" name="joy_install">,
|
|
<ref id="joy_uninstall" name="joy_uninstall">,
|
|
<ref id="joy_unload" name="joy_unload">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>joy_read<label id="joy_read"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Read the status of a joystick.
|
|
<tag/Header/<tt/<ref id="joystick.h" name="joystick.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ joy_read (unsigned char joystick);/
|
|
<tag/Description/The function reads the status bits for a joystick. The number
|
|
of the joystick is passed as parameter. The result may be examined by using one
|
|
of the <tt/JOY_xxx/ macros from <ref id="joystick.h" name="joystick.h">.
|
|
<tag/Limits/<itemize>
|
|
<item>A joystick driver must be loaded using <ref id="joy_load_driver"
|
|
name="joy_load_driver"> before calling this function.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="joy_count" name="joy_count">,
|
|
<ref id="joy_load_driver" name="joy_load_driver">,
|
|
<ref id="joy_unload" name="joy_unload">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>joy_uninstall<label id="joy_uninstall"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Uninstall the current joystick driver.
|
|
<tag/Header/<tt/<ref id="joystick.h" name="joystick.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ joy_uninstall (void);/
|
|
<tag/Description/The function uninstalls the currently installed joystick
|
|
driver. It does not remove the driver from memory. The function returns an
|
|
error code, which is <tt/JOY_ERR_OK/ if the driver was successfully uninstalled.
|
|
<tag/Limits/<itemize>
|
|
<item>A joystick driver must be installed using <ref id="joy_install"
|
|
name="joy_install"> before calling this function.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="joy_install" name="joy_install">,
|
|
<ref id="joy_load_driver" name="joy_load_driver">,
|
|
<ref id="joy_unload" name="joy_unload">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>joy_unload<label id="joy_unload"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Uninstall, then unload the current joystick driver.
|
|
<tag/Header/<tt/<ref id="joystick.h" name="joystick.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ joy_unload (void);/
|
|
<tag/Description/The function uninstalls the currently installed joystick
|
|
driver and removes it from memory. An error code is returned, which is
|
|
<tt/JOY_ERR_OK/ if the driver was successfully uninstalled.
|
|
<tag/Limits/<itemize>
|
|
<item>A joystick driver must be loaded using <ref id="joy_load_driver"
|
|
name="joy_load_driver"> before calling this function.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="joy_load_driver" name="joy_load_driver">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>kbhit<label id="kbhit"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Check if there's a key waiting in the keyboard buffer.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/unsigned char kbhit (void);/
|
|
<tag/Description/The function returns a value of zero if there is no character
|
|
waiting to be read from the keyboard. It returns non zero otherwise.
|
|
<tag/Limits/<itemize>
|
|
<item>If the system does not support a keyboard buffer (most systems
|
|
do), the function is rather useless.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="cgetc" name="cgetc">,
|
|
<ref id="cursor" name="cursor">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>labs<label id="labs"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Returns the absolute value of a long integer.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/long __fastcall__ labs (long v);/
|
|
<tag/Description/<tt/labs/ returns the absolute value of the argument passed to
|
|
the function.
|
|
<tag/Limits/<itemize>
|
|
<item>The return value is undefined if <tt/LONG_MIN/ is passed to the function.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="abs" name="abs">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>ltoa<label id="ltoa"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Convert a long integer into a string.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ ltoa (long val, char* buf, int radix);/
|
|
<tag/Description/<tt/itoa/ converts the long integer <tt/val/ into a string
|
|
using <tt/radix/ as the base.
|
|
<tag/Limits/<itemize>
|
|
<item>There are no provisions to prevent a buffer overflow.
|
|
<item>If <tt/val/ contains <tt/LONG_MIN/, the behaviour is undefined.
|
|
<item>The function is non standard, so it is not available in strict ANSI mode.
|
|
You should probably use <tt/sprintf/ instead.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="atoi" name="atoi">,
|
|
<ref id="atol" name="atol">,
|
|
<ref id="itoa" name="itoa">,
|
|
<ref id="ultoa" name="ultoa">,
|
|
<ref id="utoa" name="utoa">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>localeconv<label id="localeconv"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Returns a pointer to the current locale structure.
|
|
<tag/Header/<tt/<ref id="locale.h" name="locale.h">/
|
|
<tag/Declaration/<tt/struct lconv* localeconv (void);/
|
|
<tag/Description/<tt/localeconv/ returns a pointer to the current locale
|
|
structure.
|
|
<tag/Limits/<itemize>
|
|
<item>cc65 supports only the "C" locale, so even after setting a new locale
|
|
using <tt/<ref id="setlocale" name="setlocale">/, the structure returned will
|
|
always be the same.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="setlocale" name="setlocale">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>longjmp<label id="longjmp"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Non local goto.
|
|
<tag/Header/<tt/<ref id="setjmp.h" name="setjmp.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ longjmp (jmp_buf buf, int retval);/
|
|
<tag/Description/The <tt/longjmp/ function restores a program context from the
|
|
data in <tt/buf/, which must have been set by a preceeding call to
|
|
<tt/<ref id="setjmp" name="setjmp">/. Program execution continues as if the
|
|
call to <tt/<ref id="setjmp" name="setjmp">/ has just returned the value
|
|
<tt/retval/.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>If the parameter <tt/retval/ is zero, the function will behave as if it
|
|
was called with a value of one.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="setjmp" name="setjmp">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>malloc<label id="malloc"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Allocate dynamic memory.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/void* __fastcall__ malloc (size_t size);/
|
|
<tag/Description/<tt/malloc/ allocates size bytes on the heap and returns a
|
|
pointer to the allocated memory block. On error (not enough memory available),
|
|
<tt/malloc/ returns <tt/NULL/.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="_heapadd" name="_heapadd">,
|
|
<ref id="_heapblocksize" name="_heapblocksize">,
|
|
<ref id="_heapmaxavail" name="_heapmaxavail">,
|
|
<ref id="_heapmemavail" name="_heapmemavail">,
|
|
<ref id="calloc" name="calloc">,
|
|
<ref id="free" name="free">,
|
|
<ref id="realloc" name="realloc">,
|
|
<ref id="strdup" name="strdup">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>memchr<label id="memchr"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Search for a character in a block of raw memory.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/void* __fastcall__ strchr (const void* mem, int c, size_t count);/
|
|
<tag/Description/The <tt/memchr/ function locates the first occurrence of <tt/c/
|
|
(converted to a char) in the block of raw memory string pointed to by <tt/mem/
|
|
that is of size <tt/count/. Upon completion, the function returns a pointer to
|
|
the character found, or a null pointer if the character was not found.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="strchr" name="strchr">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>memcpy<label id="memcpy"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Copy a memory area.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/void* __fastcall__ memcpy (void* dest, const void* src, size_t count);/
|
|
<tag/Description/<tt/memcpy/ copies <tt/count/ bytes from the memory area
|
|
pointed to by <tt/src/ into the memory area pointed to by <tt/dest/. It returns
|
|
<tt/dest/.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The result is undefined if the memory areas do overlap. Use
|
|
<tt/<ref id="memmove" name="memmove">/ to copy overlapping memory areas.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="_swap" name="_swap">,
|
|
<ref id="memmove" name="memmove">,
|
|
<ref id="memset" name="memset">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>memmove<label id="memmove"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Copy a memory area.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/void* __fastcall__ memmove (void* dest, const void* src, size_t count);/
|
|
<tag/Description/<tt/memmove/ copies <tt/count/ bytes from the memory area
|
|
pointed to by <tt/src/ into the memory area pointed to by <tt/dest/. It returns
|
|
<tt/dest/.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>While <tt/memmove/ allows the memory areas to overlap, it has some
|
|
additional overhead compared to <tt/<ref id="memcpy" name="memcpy">/.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="_swap" name="_swap">,
|
|
<ref id="memcpy" name="memcpy">,
|
|
<ref id="memset" name="memset">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>memset<label id="memset"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Fill a memory area.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/void* __fastcall__ memset (void* p, int val, size_t count);/
|
|
<tag/Description/<tt/memset/ fills the memory area pointed to by <tt/p/ with
|
|
the value <tt/val/. The function returns <tt/p/.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="_swap" name="_swap">,
|
|
<ref id="bzero" name="bzero">,
|
|
<ref id="memcpy" name="memcpy">,
|
|
<ref id="memmove" name="memmove">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mod_free<label id="mod_free"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Free a relocatable module.
|
|
<tag/Header/<tt/<ref id="modload.h" name="modload.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ mod_free (void* module);/
|
|
<tag/Description/The function will free a module loaded into memory by use of
|
|
the <tt/<ref id="mod_load" name="mod_load">/ function.
|
|
<tag/Limits/<itemize>
|
|
<item>The pointer passed as parameter is the pointer to the module memory,
|
|
not the pointer to the control structure.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="mod_load" name="mod_load">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mod_load<label id="mod_load"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Load a relocatable module.
|
|
<tag/Header/<tt/<ref id="modload.h" name="modload.h">/
|
|
<tag/Declaration/<tt/unsigned char mod_load (struct mod_ctrl* ctrl);/
|
|
<tag/Description/The function will load a code module into memory and relocate
|
|
it. The function will return an error code. If <tt/MLOAD_OK/ is returned, the
|
|
outgoing fields in the passed <tt/mod_ctrl/ struct contain information about
|
|
the module just loaded. Possible error codes are:
|
|
<itemize>
|
|
<item><tt/MLOAD_OK/ - Module load successful
|
|
<item><tt/MLOAD_ERR_READ/ - Read error
|
|
<item><tt/MLOAD_ERR_HDR/ - Header error
|
|
<item><tt/MLOAD_ERR_OS/ - Wrong operating system
|
|
<item><tt/MLOAD_ERR_FMT/ - Data format error
|
|
<item><tt/MLOAD_ERR_MEM/ - Not enough memory
|
|
</itemize>
|
|
<tag/Limits/<itemize>
|
|
<item>The <htmlurl url="ld65.html" name="ld65"> linker is needed to create
|
|
relocatable o65 modules for use with this function.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="mod_free" name="mod_free">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mouse_box<label id="mouse_box"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Specify a bounding box for the mouse cursor.
|
|
<tag/Header/<tt/<ref id="mouse.h" name="mouse.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ mouse_box (int minx, int miny,
|
|
int maxx, int maxy);/
|
|
<tag/Description/The function allows to set a bounding box for mouse movement.
|
|
<tag/Limits/<itemize>
|
|
<item>The function does not check if the mouse cursor is currently within the
|
|
given rectangle. Placing the mouse cursor within the bounding box is the
|
|
responsibility of the programmer.
|
|
<item>While the bounding box may be larger than the actual screen size, the
|
|
standard mouse cursor draw routines may fail to set the cursor to coordinates
|
|
outside of the screen area. Depending on the platform, you may have to supply
|
|
your own mouse cursor routines.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="mouse_move" name="mouse_move">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mouse_buttons<label id="mouse_buttons"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return a bit mask encoding the state of the mouse buttons.
|
|
<tag/Header/<tt/<ref id="mouse.h" name="mouse.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ mouse_buttons (void);/
|
|
<tag/Description/The function returns a bit mask that encodes the state of the
|
|
mouse buttons. You may use the <tt/MOUSE_BTN_XXX/ flags to decode the function
|
|
return value.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="mouse_info" name="mouse_info">,
|
|
<ref id="mouse_pos" name="mouse_pos">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mouse_geterrormsg<label id="mouse_geterrormsg"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return a readable error message for an error code.
|
|
<tag/Header/<tt/<ref id="mouse.h" name="mouse.h">/
|
|
<tag/Declaration/<tt/const char* __fastcall__ mouse_geterrormsg (unsigned char
|
|
code);/
|
|
<tag/Description/The function returns an error message (in english) for the
|
|
error code passed parameter.
|
|
<tag/Limits/<itemize>
|
|
<item>The function will return "Unknown error" for invalid error codes.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="mouse_load_driver" name="mouse_load_driver">,
|
|
<ref id="mouse_uninstall" name="mouse_uninstall">,
|
|
<ref id="mouse_unload" name="mouse_unload">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mouse_hide<label id="mouse_hide"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Hide the mouse pointer.
|
|
<tag/Header/<tt/<ref id="mouse.h" name="mouse.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ mouse_hide (void);/
|
|
<tag/Description/The function hides the mouse pointer. It manages a counter
|
|
that is shared between <tt/<ref id="mouse_show" name="mouse_show">/ and
|
|
<tt/mouse_hide/ so that every call call to <tt/mouse_hide/ must be followed by
|
|
a call to <tt/<ref id="mouse_show" name="mouse_show">/ to make the mouse cursor
|
|
visible.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="mouse_show" name="mouse_show">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mouse_info<label id="mouse_info"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return the state of the mouse buttons and the position of the
|
|
mouse.
|
|
<tag/Header/<tt/<ref id="mouse.h" name="mouse.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ mouse_info (struct mouse_info* info);/
|
|
<tag/Description/The function returns the state of the mouse buttons and the
|
|
position of the mouse in the <tt/mouse_info/ structure passed as parameter.
|
|
<tag/Limits/<itemize>
|
|
<item>The <tt/mouse_info/ struct is a superset of the <tt/mouse_pos/ struct,
|
|
so if you just need the mouse position, call <tt/<ref id="mouse_pos"
|
|
name="mouse_pos">/ instead.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="mouse_buttons" name="mouse_buttons">,
|
|
<ref id="mouse_pos" name="mouse_pos">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mouse_install<label id="mouse_install"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Install an already loaded mouse driver.
|
|
<tag/Header/<tt/<ref id="mouse.h" name="mouse.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ mouse_install (const struct
|
|
mouse_callbacks* c, void* driver);/
|
|
<tag/Description/The function installs an already loaded mouse driver and
|
|
returns an error code. The <tt/mouse_callbacks/ structure passed as first
|
|
parameter contains pointers to routines needed to move or hide/show the mouse
|
|
pointer. Defaults for these routines are supplied by the library, so if you
|
|
can live with these defaults (which are platform specific), just pass a
|
|
pointer to <tt/mouse_def_callbacks/. The function may be used to install a
|
|
driver linked statically to the program.
|
|
<tag/Limits/<itemize>
|
|
<item>Not all drivers are able to detect if the supported hardware is really
|
|
present.
|
|
<item>After installing a driver, the mouse cursor is hidden.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="mouse_load_driver" name="mouse_load_driver">,
|
|
<ref id="mouse_uninstall" name="mouse_uninstall">,
|
|
<ref id="mouse_unload" name="mouse_unload">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mouse_ioctl<label id="mouse_ioctl"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Call the driver specific ioctl function.
|
|
<tag/Header/<tt/<ref id="mouse.h" name="mouse.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ mouse_ioctl (unsigned char code, void* data);/
|
|
<tag/Description/The function calls the IOCTL entry in the mouse driver,
|
|
which is driver specific. The <tt/code/ parameter will choose between
|
|
different IOCTL functions, and the <tt/data/ depends on code. The
|
|
function returns an error code. The purpose of this function is to allow
|
|
for driver specific extensions. See the documentation for a specific mouse
|
|
driver for supported ioctl calls.
|
|
<tag/Limits/<itemize>
|
|
<item>Calling this function is non portable, because each driver may
|
|
implement different ioctl calls (or none at all).
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mouse_load_driver<label id="mouse_load_driver"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Load and initialize a mouse driver.
|
|
<tag/Header/<tt/<ref id="mouse.h" name="mouse.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ mouse_load_driver (const struct
|
|
mouse_callbacks* c, const char* driver);/
|
|
<tag/Description/Load a mouse driver into memory and initialize it. The
|
|
function returns an error code that tells if the call has been successful. The
|
|
<tt/mouse_callbacks/ structure passed as first parameter contains pointers to
|
|
routines needed to move or hide/show the mouse pointer. Defaults for these
|
|
routines are supplied by the library, so if you can live with these defaults
|
|
(which are platform specific), just pass a pointer to <tt/mouse_def_callbacks/.
|
|
<tag/Limits/<itemize>
|
|
<item>The driver is loaded by name, so currently you must know the type of
|
|
mouse that should be supported. There is no autodetect capability.
|
|
<item>Not all drivers are able to detect if the supported hardware is really
|
|
present.
|
|
<item>After installing a driver, the mouse cursor is hidden.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="mouse_install" name="mouse_install">,
|
|
<ref id="mouse_uninstall" name="mouse_uninstall">,
|
|
<ref id="mouse_unload" name="mouse_unload">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mouse_move<label id="mouse_move"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Move the mouse cursor to a specific position.
|
|
<tag/Header/<tt/<ref id="mouse.h" name="mouse.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ mouse_move (int x, int y);/
|
|
<tag/Description/The function updates the mouse position. If the mouse cursor
|
|
is visible, it is shown at the new position.
|
|
<tag/Limits/<itemize>
|
|
<item>The function does not check if the new position is within the bounding
|
|
box specified with <tt/<ref id="mouse_box" name="mouse_box">/.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="mouse_box" name="mouse_box">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mouse_pos<label id="mouse_pos"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return the position of the mouse.
|
|
<tag/Header/<tt/<ref id="mouse.h" name="mouse.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ mouse_pos (struct mouse_pos* pos);/
|
|
<tag/Description/The function returns the position of the mouse in the
|
|
<tt/mouse_pos/ structure passed as parameter.
|
|
<tag/Limits/<itemize>
|
|
<item>The <tt/mouse_pos/ struct is a subset of the <tt/mouse_info/ struct,
|
|
so if you do also need the mouse buttons, call <tt/<ref id="mouse_info"
|
|
name="mouse_info">/ instead.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="mouse_buttons" name="mouse_buttons">,
|
|
<ref id="mouse_info" name="mouse_info">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mouse_show<label id="mouse_show"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Show the mouse pointer.
|
|
<tag/Header/<tt/<ref id="mouse.h" name="mouse.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ mouse_show (void);/
|
|
<tag/Description/The function shows the mouse pointer. It manages a counter
|
|
that is shared between <tt/<ref id="mouse_hide" name="mouse_hide">/ and
|
|
<tt/mouse_show/. The mouse cursor is visible if there was one more call to
|
|
<tt/mouse_show/ than to <tt/<ref id="mouse_hide" name="mouse_hide">/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="mouse_hide" name="mouse_hide">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mouse_uninstall<label id="mouse_uninstall"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Uninstall an already loaded mouse driver.
|
|
<tag/Header/<tt/<ref id="mouse.h" name="mouse.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ mouse_install (void);/
|
|
<tag/Description/The function uninstalls an already loaded mouse driver but
|
|
don't removes it from memory.
|
|
<tag/Limits/<itemize>
|
|
<item>If the driver has been loaded using <tt/<ref id="mouse_load_driver"
|
|
name="mouse_load_driver">/, <tt/<ref id="mouse_unload" name="mouse_unload">/
|
|
should be used instead of <tt/mouse_uninstall/ so the driver is also removed
|
|
from memory.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="mouse_install" name="mouse_install">,
|
|
<ref id="mouse_load_driver" name="mouse_load_driver">,
|
|
<ref id="mouse_unload" name="mouse_unload">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>mouse_unload<label id="mouse_unload"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Unload a mouse driver.
|
|
<tag/Header/<tt/<ref id="mouse.h" name="mouse.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ mouse_unload (void);/
|
|
<tag/Description/The function unloads a loaded mouse driver and frees all
|
|
memory allocated for the driver.
|
|
<tag/Limits/<itemize>
|
|
<item>The function does nothing if no driver is loaded.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="mouse_install" name="mouse_install">,
|
|
<ref id="mouse_load_driver" name="mouse_load_driver">,
|
|
<ref id="mouse_uninstall" name="mouse_uninstall">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>offsetof<label id="offsetof"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Calculate the offset of a struct or union member.
|
|
<tag/Header/<tt/<ref id="stddef.h" name="stddef.h">/
|
|
<tag/Declaration/<tt/size_t offsetof (type, member);/
|
|
<tag/Description/<tt/offsetof/ calculates the address offset of a <tt/struct/
|
|
or <tt/union/ member.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is actually a macro.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>open<label id="open"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Open and possibly create a file.
|
|
<tag/Header/<tt/<ref id="fcntl.h" name="fcntl.h">/
|
|
<tag/Declaration/<tt/int open (const char* name, int flags, ...);/
|
|
<tag/Description/<tt/open/ opens a file and returns the file descriptor
|
|
associated with it. On error, -1 is returned and an error code is stored in
|
|
<tt/errno/. Several flags may be passed to <tt/open/ that change the behaviour.
|
|
<tag/Limits/<itemize>
|
|
<item>POSIX specifies an additional <tt/mode/ argument that may be passed to
|
|
open, which is used as the permission mask when a new file is created. While
|
|
cc65 allows to pass this argument, it is ignored.
|
|
</itemize>
|
|
<tag/Availability/POSIX 1003.1
|
|
<tag/See also/
|
|
<ref id="close" name="close">,
|
|
<ref id="creat" name="creat">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>peekbsys<label id="peekbsys"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Read one byte from a location in the system bank.
|
|
<tag/Header/<tt/<ref id="cbm610.h" name="cbm610.h">/,
|
|
<tt/<ref id="cbm510.h" name="cbm510.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ peekbsys (unsigned addr);/
|
|
<tag/Description/<tt/peekbsys/ reads one byte from the given address in the
|
|
system bank (bank 15) of the CBM PET-II machines and returns it.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>This function may be a macro depending on the compiler options. The
|
|
actual function is accessible by #undef'ing the macro.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="PEEK" name="PEEK">,
|
|
<ref id="PEEKW" name="PEEKW">,
|
|
<ref id="peekwsys" name="peekwsys">,
|
|
<ref id="pokebsys" name="pokebsys">,
|
|
<ref id="pokewsys" name="pokewsys">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>peekwsys<label id="peekwsys"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Read one word from a location in the system bank.
|
|
<tag/Header/<tt/<ref id="cbm610.h" name="cbm610.h">/,
|
|
<tt/<ref id="cbm510.h" name="cbm510.h">/
|
|
<tag/Declaration/<tt/unsigned __fastcall__ peekwsys (unsigned addr);/
|
|
<tag/Description/<tt/peekwsys/ reads one word from the given address in the
|
|
system bank (bank 15) of the CBM PET-II machines and returns it. Following
|
|
the usual 6502 conventions, the low byte is read from <tt/addr/, and the
|
|
high byte is read from <tt/addr+1/.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>The order in which the two bytes are read is undefined.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="PEEK" name="PEEK">,
|
|
<ref id="PEEKW" name="PEEKW">,
|
|
<ref id="peekbsys" name="peekbsys">,
|
|
<ref id="pokebsys" name="pokebsys">,
|
|
<ref id="pokewsys" name="pokewsys">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>perror<label id="perror"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Print an error message for the error in <tt/errno/.
|
|
<tag/Header/<tt/<ref id="stdio.h" name="stdio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ perror (const char* s);/
|
|
<tag/Description/<tt/perror/ prints an error message to <tt/stderr/. If <tt/s/
|
|
is not <tt/NULL/ and not an empty string, it is printed followed by a colon and
|
|
a blank. Then the error message for the current contents of <tt/errno/ is
|
|
printed followed by a newline. The message output is the same as returned by
|
|
<tt/<ref id="strerror" name="strerror">/ with an argument of <tt/errno/.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="_poserror" name="_poserror">,
|
|
<ref id="strerror" name="strerror">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>pokebsys<label id="pokebsys"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Write one byte to a location in the system bank.
|
|
<tag/Header/<tt/<ref id="cbm610.h" name="cbm610.h">/,
|
|
<tt/<ref id="cbm510.h" name="cbm510.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ pokebsys (unsigned addr, unsigned char val);/
|
|
<tag/Description/<tt/pokebsys/ writes one byte to the given address in the
|
|
system bank (bank 15) of the CBM PET-II machines.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="POKE" name="POKE">,
|
|
<ref id="POKEW" name="POKEW">,
|
|
<ref id="peekbsys" name="peekbsys">,
|
|
<ref id="peekwsys" name="peekwsys">,
|
|
<ref id="pokewsys" name="pokewsys">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>pokewsys<label id="pokewsys"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Write one word to a location in the system bank.
|
|
<tag/Header/<tt/<ref id="cbm610.h" name="cbm610.h">/,
|
|
<tt/<ref id="cbm510.h" name="cbm510.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ pokewsys (unsigned addr, unsigned val);/
|
|
<tag/Description/<tt/pokewsys/ writes one word to the given address in the
|
|
system bank (bank 15) of the CBM PET-II machines. Following the usual 6502
|
|
conventions, the low byte of <tt/val/ is written to <tt/addr/, and the
|
|
high byte is written to <tt/addr+1/.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>The order in which the two bytes are written is undefined.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="POKE" name="POKE">,
|
|
<ref id="POKEW" name="POKEW">,
|
|
<ref id="peekbsys" name="peekbsys">,
|
|
<ref id="peekwsys" name="peekwsys">,
|
|
<ref id="pokebsys" name="pokebsys">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>qsort<label id="qsort"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Sort an array.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ qsort (void* base, size_t count,
|
|
size_t size, int (*compare) (const void*, const void*));/
|
|
<tag/Description/<tt/qsort/ sorts an array according to a given compare
|
|
function <tt/compare/. <tt/base/ is the address of the array, <tt/count/
|
|
is the number of elements, <tt/size/ the size of an element and <tt/compare/
|
|
the function used to compare the members.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>If there are multiple members with the same key, the order after calling
|
|
the function is undefined.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="bsearch" name="bsearch">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>raise<label id="raise"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Send a signal to the executing program.
|
|
<tag/Header/<tt/<ref id="signal.h" name="signal.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ raise (int sig);/
|
|
<tag/Description/<tt/raise/ sends the given signal to the program. If the
|
|
program has installed a signal handler for the signal, this signal handler
|
|
will be executed. If no handler has been installed, the default action for
|
|
the raised signal will be taken. The function returns zero on success,
|
|
nonzero otherwise.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="abort" name="abort">,
|
|
<ref id="signal" name="signal">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>rand<label id="rand"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return a pseudo random number.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/int rand (void);/
|
|
<tag/Description/The function returns a pseudo random number
|
|
between 0 and <tt/RAND_MAX/ (exclusive).
|
|
<tag/Limits/<itemize>
|
|
<item>Without using <tt><ref id="srand" name="srand"></tt>, always the same
|
|
flow of numbers is generated.
|
|
<item>On startup, the function behaves as if <ref id="srand" name="srand">
|
|
had been used with an argument of 1.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="_randomize" name="_randomize">,
|
|
<ref id="srand" name="srand">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>realloc<label id="realloc"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Change the size of an allocated memory block.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/void* __fastcall__ realloc (void* block, size_t size);/
|
|
<tag/Description/<tt/realloc/ changes the size of the memory block pointed to
|
|
by <tt/block/ to <tt/size/ bytes. If <tt/block/ is <tt/NULL/, <tt/realloc/
|
|
behaves as if <tt/malloc/ had been called. If <tt/size/ is zero, <tt/realloc/
|
|
behaves as if <tt/free/ had been called. On error (not enough memory
|
|
available), <tt/realloc/ returns <tt/NULL/.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The part of the memory block that is returned will have its contents
|
|
unchanged.
|
|
<item>This function is somewhat dangerous to use. Be careful to save the
|
|
pointer you're passing somewhere else, otherwise
|
|
<tscreen><verb>
|
|
ptr = realloc (ptr, size);
|
|
</verb></tscreen>
|
|
will loose your only copy of <tt/ptr/ if <tt/realloc/ returns <tt/NULL/.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="_heapadd" name="_heapadd">,
|
|
<ref id="_heapblocksize" name="_heapblocksize">,
|
|
<ref id="_heapmaxavail" name="_heapmaxavail">,
|
|
<ref id="_heapmemavail" name="_heapmemavail">,
|
|
<ref id="calloc" name="calloc">,
|
|
<ref id="free" name="free">,
|
|
<ref id="realloc" name="realloc">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>remove<label id="remove"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Delete a file.
|
|
<tag/Header/<tt/<ref id="stdio.h" name="stdio.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ remove (const char* name);/
|
|
<tag/Description/<tt/remove/ deletes the file with the given name. On success,
|
|
zero is returned. On error, -1 is returned and <tt/errno/ is set to an error
|
|
code describing the reason for the failure.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>This function is not available on all cc65 targets (depends on the
|
|
availability of file I/O).
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="unlink" name="unlink">
|
|
<tag/Example/
|
|
#include <stdio.h>
|
|
|
|
#define FILENAME "helloworld"
|
|
|
|
if (remove (FILENAME) == 0) {
|
|
printf ("We deleted %s successfully\n", FILENAME);
|
|
} else {
|
|
printf ("There was a problem deleting %s\n", FILENAME);
|
|
}
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>reset_brk<label id="reset_brk"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Resets the break vector to its original value.
|
|
<tag/Header/<tt/<ref id="6502.h" name="6502.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ reset_brk (void);/
|
|
<tag/Description/<tt/reset_brk/ resets the break vector to the value it had
|
|
before a call to <tt/set_brk/.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>Since <tt/<ref id="set_brk" name="set_brk">/ installs an exit handler,
|
|
it is not strictly necessary to call this function as part of the cleanup when
|
|
the program ends.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="set_brk" name="set_brk">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>revers<label id="revers"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Control revers character display.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ revers (unsigned char onoff);/
|
|
<tag/Description/If the argument is non zero, the function enables reverse
|
|
character display. If the argument is zero, reverse character display is
|
|
switched off. The old value of the setting is returned.
|
|
<tag/Limits/<itemize>
|
|
<item>The function may not be supported by the hardware, in which case
|
|
the call is ignored.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="textcolor" name="textcolor">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>screensize<label id="screensize"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return the dimensions of the text mode screen.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ screensize (unsigned char* x, unsigned char* y);/
|
|
<tag/Description/The function returns the dimensions of the text mode screen.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="gotox" name="gotox">,
|
|
<ref id="gotoxy" name="gotoxy">,
|
|
<ref id="gotoy" name="gotoy">,
|
|
<ref id="wherex" name="wherex">,
|
|
<ref id="wherey" name="wherey">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>set_brk<label id="set_brk"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Set the break vector to a user function.
|
|
<tag/Header/<tt/<ref id="6502.h" name="6502.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ set_brk (brk_handler func);/
|
|
<tag/Description/<tt/set_brk/ allows a user program to handle breaks within the
|
|
program code by letting the vector point to a user written C function. The
|
|
runtime library installs a small stub that saves the registers into global
|
|
variables that may be accessed (and changed) by the break handler.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>The stub saves the zero page registers used by the C runtime and switches
|
|
to a small break handler stack. This means that it is safe to execute C code,
|
|
even if C code was interrupted. Be careful however not to use too many local
|
|
variables, and do not enable stack checks for the handler function or any other
|
|
function called from it.
|
|
<item>The <tt/brk_pc/ variable points to the <tt/BRK/ instruction. If you want
|
|
the continue with the interrupted code, you have to adjust <tt/brk_pc/,
|
|
otherwise the <tt/BRK/ instruction will get executed over and over again.
|
|
<item>Since <tt/set_brk/ installs an exit handler, it is not strictly necessary
|
|
to call <tt/<ref id="reset_brk" name="reset_brk">/ as part of the cleanup when
|
|
the program terminates.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="reset_brk" name="reset_brk">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>setjmp<label id="setjmp"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Save the context for use with <tt/longjmp/.
|
|
<tag/Header/<tt/<ref id="setjmp.h" name="setjmp.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ setjmp (jmp_buf buf);/
|
|
<tag/Description/The <tt/setjmp/ function saves the current context in <tt/buf/
|
|
for subsequent use by the <tt/<ref id="longjmp" name="longjmp">/ function and
|
|
returns zero.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item><tt/setjmp/ is actually a macro as required by the ISO standard.
|
|
<item><tt/setjmp/ will not save the signal context.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="longjmp" name="longjmp">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>setlocale<label id="setlocale"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Selects a locale.
|
|
<tag/Header/<tt/<ref id="locale.h" name="locale.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ setlocale (int category, const char* locale);/
|
|
<tag/Description/<tt/setlocale/ sets or queries the program's locale.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>cc65 supports only the "C" locale, so calling this function to set a
|
|
different locale has no effect.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="localeconv" name="localeconv">,
|
|
<ref id="strcoll" name="strcoll">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>signal<label id="signal"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Install a signal handler.
|
|
<tag/Header/<tt/<ref id="signal.h" name="signal.h">/
|
|
<tag/Declaration/<tt/__sigfunc __fastcall__ signal (int sig, __sigfunc func);/
|
|
<tag/Description/<tt/signal/ installs a handler for the given signal. The
|
|
handler may either be a user supplied function, or one of the predefined
|
|
signal handlers <tt/SIG_IGN/ or <tt/SIG_DFL/. The function returns the
|
|
previous value if the signal , or the special function vector SIG_ERR in
|
|
case of an error.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="abort" name="abort">,
|
|
<ref id="raise" name="raise">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>sleep<label id="sleep"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Sleep for a specified amount of time.
|
|
<tag/Header/<tt/<ref id="unistd.h" name="unistd.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ sleep (unsigned seconds);/
|
|
<tag/Description/The function will return after the specified number of
|
|
seconds have elapsed.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/POSIX 1003.1
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>slow<label id="slow"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Switch the C128 into 1MHz mode.
|
|
<tag/Header/<tt/<ref id="c128.h" name="c128.h">/
|
|
<tag/Declaration/<tt/void slow (void);/
|
|
<tag/Description/The function will switch the clock of the C128 to 1MHz. This
|
|
will halve the speed compared to fast mode.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is specific to the C128.
|
|
</itemize>
|
|
<tag/Availability/C128
|
|
<tag/See also/
|
|
<ref id="fast" name="fast">,
|
|
<ref id="toggle_videomode" name="toggle_videomode">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>srand<label id="srand"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Initialize the pseudo random number generator.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/void __fastcall__ srand (unsigned seed);/
|
|
<tag/Description/The function initializes the random number generator using
|
|
the given seed. On program startup, the generator behaves as if <tt/srand/ has
|
|
been called with an argument of 1.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="_randomize" name="_randomize">,
|
|
<ref id="rand" name="rand">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strcasecmp<label id="strcasecmp"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Compare two strings case insensitive.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ strcasecmp (const char* s1, const char* s2);/
|
|
<tag/Description/The <tt/strcasecmp/ function compares the two strings passed
|
|
as parameters without case sensitivity. It returns a value that is less than
|
|
zero if <tt/s1/ is less than <tt/s2/, zero if <tt/s1/ is the same as <tt/s2/,
|
|
and a value greater than zero if <tt/s1/ is greater than <tt/s2/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>The function is not available in strict ANSI mode.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="strcmp" name="strcmp">,
|
|
<ref id="strcoll" name="strcoll">,
|
|
<ref id="stricmp" name="stricmp">,
|
|
<ref id="strncmp" name="strncmp">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strcat<label id="strcat"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Concatentate two strings.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ strcat (char* s1, const char* s2);/
|
|
<tag/Description/The <tt/strcat/ function appends a copy of the string
|
|
pointed to by s2 (including the terminating null byte) to the end of the
|
|
string pointed to by s1. The initial byte of s2 overwrites the null byte at
|
|
the end of s1.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>If copying takes place between objects that overlap, the behaviour
|
|
is undefined.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="strcpy" name="strcpy">,
|
|
<ref id="strncat" name="strncat">,
|
|
<ref id="strncpy" name="strncpy">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strchr<label id="strchr"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Search for a character in a string.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ strchr (const char* s, int c);/
|
|
<tag/Description/The <tt/strchr/ function locates the first occurrence of <tt/c/
|
|
(converted to a char) in the string pointed to by <tt/s/. The terminating null
|
|
byte is considered to be part of the string. Upon completion, the function
|
|
returns a pointer to the byte, or a null pointer if the byte was not found.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="memchr" name="memchr">,
|
|
<ref id="strrchr" name="strrchr">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strcmp<label id="strcmp"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Compare two strings.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ strcmp (const char* s1, const char* s2);/
|
|
<tag/Description/The <tt/strcmp/ function compares the two strings passed as
|
|
parameters. It returns a value that is less than zero if <tt/s1/ is less than
|
|
<tt/s2/, zero if <tt/s1/ is the same as <tt/s2/, and a value greater than zero
|
|
if <tt/s1/ is greater than <tt/s2/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="strcasecmp" name="strcasecmp">,
|
|
<ref id="strcoll" name="strcoll">,
|
|
<ref id="stricmp" name="stricmp">,
|
|
<ref id="strncmp" name="strncmp">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strcoll<label id="strcoll"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Compare two strings.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ strcoll (const char* s1, const char* s2);/
|
|
<tag/Description/The <tt/strcoll/ function compares the two strings passed as
|
|
parameters, according to the collating sequence set by <tt/<ref id="setlocale"
|
|
name="setlocale">/. It returns a value that is less than zero if <tt/s1/ is
|
|
less than <tt/s2/, zero if <tt/s1/ is the same as <tt/s2/, and a value greater
|
|
than zero if <tt/s1/ is greater than <tt/s2/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="setlocale" name="setlocale">,
|
|
<ref id="strcasecmp" name="strcasecmp">,
|
|
<ref id="strcmp" name="strcmp">,
|
|
<ref id="stricmp" name="stricmp">,
|
|
<ref id="strncmp" name="strncmp">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strcpy<label id="strcpy"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Copy a string.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ strcpy (char* s1, const char* s2);/
|
|
<tag/Description/The <tt/strcpy/ function copies the string pointed to by
|
|
<tt/s2/ (including the terminating null byte) into the array pointed to by
|
|
<tt/s1/. The function will always return <tt/s1/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>If copying takes place between objects that overlap, the behaviour
|
|
is undefined.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="strcat" name="strcat">,
|
|
<ref id="strncat" name="strncat">,
|
|
<ref id="strncpy" name="strncpy">
|
|
<tag/Example/
|
|
<verb>
|
|
#include <string.h>
|
|
|
|
static char hello[14];
|
|
|
|
strcpy (hello, "Hello world!\n");
|
|
</verb>
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strcspn<label id="strcspn"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Compute the length of a substring.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/size_t __fastcall__ strcspn (const char* s, const char* set);/
|
|
<tag/Description/The <tt/strcspn/ function computes and returns the length of
|
|
the substring pointed to by <tt/s/ which does <em>not</em> consist of
|
|
characters contained in the string <tt/set/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="strspn" name="strspn">,
|
|
<ref id="strstr" name="strstr">,
|
|
<ref id="strtok" name="strtok">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strdup<label id="strdup"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Allocate a copy of a string on the heap.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ strdup (const char* s);/
|
|
<tag/Description/<tt/strdup/ allocates a memory block on the heap, big enough
|
|
to hold a copy of <tt/s/ including the terminating zero. If the allocation
|
|
fails, <tt/NULL/ is returned, otherwise <tt/s/ is copied into the allocated
|
|
memory block, and a pointer to the block is returned.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>It is up to the caller to free the allocated memory block.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="free" name="free">,
|
|
<ref id="malloc" name="malloc">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strerror<label id="strerror"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return a string describing an error code.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ strerror (int errcode);/
|
|
<tag/Description/The <tt/strerror/ function returns a string describing the
|
|
given error code. If an invalid error code is passed, the string "Unknown
|
|
error" is returned, and <tt/errno/ is set to <tt/EINVAL/. In all other cases,
|
|
<tt/errno/ is left untouched.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>While the return type of the function is a <tt/char*/, the returned
|
|
string must not be modified by the caller!
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="_stroserror" name="_stroserror">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>stricmp<label id="stricmp"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Compare two strings case insensitive.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ stricmp (const char* s1, const char* s2);/
|
|
<tag/Description/The <tt/stricmp/ function compares the two strings passed as
|
|
parameters without case sensitivity. It returns a value that is less than zero
|
|
if <tt/s1/ is less than <tt/s2/, zero if <tt/s1/ is the same as <tt/s2/, and a
|
|
value greater than zero if <tt/s1/ is greater than <tt/s2/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>The function is not available in strict ANSI mode.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="strcasecmp" name="strcasecmp">,
|
|
<ref id="strcmp" name="strcmp">,
|
|
<ref id="strcoll" name="strcoll">,
|
|
<ref id="strncmp" name="strncmp">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strlen<label id="strlen"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return the length of a string.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/size_t __fastcall__ strlen (const char* s);/
|
|
<tag/Description/The <tt/strlen/ function computes the number of bytes in the
|
|
string to which s points, not including the terminating null byte.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>When compiling with <tt/-Os/ (inline known standard functions), the
|
|
function does not work correctly for strings with more than 255 characters.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="strcpy" name="strcpy">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strlower<label id="strlower"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Make a string lower case.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ strlower (char* s);/
|
|
<tag/Description/The <tt/strlower/ function will apply the <tt/tolower/
|
|
function to each character of a string. The function will always return <tt/s/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>The function prototype is unavailable when compiling in strict ANSI mode.
|
|
<item>An alias name for this function is <tt/strlwr/.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="strupper" name="strupper">,
|
|
<ref id="tolower" name="tolower">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strlwr<label id="strlwr"><p>
|
|
|
|
<quote>
|
|
See <tt/strlower/.
|
|
</quote>
|
|
|
|
|
|
<sect1>strncat<label id="strncat"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Concatentate two strings.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ strncat (char* s1, const char* s2, size_t n);/
|
|
<tag/Description/The <tt/strncat/ function appends not more than n characters
|
|
of the string pointed to by s2 to the end of the string pointed to by s1. The
|
|
terminating null character at the end of s1 is overwritten. A terminating null
|
|
character is appended to the result, even if not all of s2 is appended to s1.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>If copying takes place between objects that overlap, the behaviour
|
|
is undefined.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="strcpy" name="strcpy">,
|
|
<ref id="strncat" name="strncat">,
|
|
<ref id="strncpy" name="strncpy">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strncmp<label id="strncmp"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Compare two strings.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ strncmp (const char* s1, const char* s2, size_t count);/
|
|
<tag/Description/The <tt/strncmp/ function compares not more than <tt/count/
|
|
characters of the two strings passed as parameters. It returns a value that is
|
|
less than zero if the first <tt/count/ characters of <tt/s1/ are less than
|
|
<tt/s2/, zero if they are identical, and a value greater than zero they are
|
|
greater.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="strcasecmp" name="strcasecmp">,
|
|
<ref id="strcmp" name="strcmp">,
|
|
<ref id="strcoll" name="strcoll">,
|
|
<ref id="stricmp" name="stricmp">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strncpy<label id="strncpy"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Copy part of a string.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ strcpy (char* s1, const char* s2, size_t n);/
|
|
<tag/Description/The <tt/strncpy/ function copies not more than n bytes from
|
|
the array pointed to by <tt/s2/ to the array pointed to by <tt/s1/. If the array
|
|
pointed to by <tt/s2/ is a string that is shorter than n bytes, null bytes are
|
|
appended to the copy in the array pointed to by <tt/s1/, until <tt/n/ bytes are
|
|
written. The function will always return <tt/s1/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype. If there is no null byte in the first <tt/n/
|
|
bytes of the array pointed to by <tt/s2/, the result is not null-terminated.
|
|
<item>If copying takes place between objects that overlap, the behaviour is
|
|
undefined.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="strcat" name="strcat">,
|
|
<ref id="strcpy" name="strcpy">,
|
|
<ref id="strncat" name="strncat">
|
|
<tag/Example/
|
|
<verb>
|
|
#include <string.h>
|
|
|
|
static char hello[6];
|
|
|
|
strcpy (hello, "Hello world!\n", sizeof (hello) - 1);
|
|
hello[5] = '\0';
|
|
</verb>
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strrchr<label id="strrchr"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Search for a character in a string.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ strrchr (const char* s, int c);/
|
|
<tag/Description/The <tt/strrchr/ function locates the last occurrence of <tt/c/
|
|
(converted to a char) in the string pointed to by <tt/s/. The terminating null
|
|
byte is considered to be part of the string. Upon completion, the function
|
|
returns a pointer to the byte, or a null pointer if the byte was not found.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="strchr" name="strchr">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strspn<label id="strspn"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Compute the length of a substring.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/size_t __fastcall__ strspn (const char* s, const char* set);/
|
|
<tag/Description/The <tt/strspn/ function computes and returns the length of
|
|
the substring pointed to by <tt/s/ which does consist only of characters
|
|
contained in the string <tt/set/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="strcspn" name="strcspn">,
|
|
<ref id="strstr" name="strstr">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strstr<label id="strstr"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Find a substring.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ strstr (const char* str, const char* substr);/
|
|
<tag/Description/<tt/strstr/ searches for the first occurance of the string
|
|
<tt/substr/ within <tt/str/. If found, it returns a pointer to the copy,
|
|
otherwise it returns <tt/NULL/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="strcspn" name="strcspn">,
|
|
<ref id="strspn" name="strspn">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strtok<label id="strtok"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Break a string into tokens.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ strtok (char* s1, const char* s2);/
|
|
<tag/Description/<tt/strtok/ will break the string s1 into a sequence of
|
|
tokens, which are delimited by characters from the string s2. The first call
|
|
to <tt/strtok/ will return a pointer to the first token in the string s1.
|
|
Following calls must pass a <tt/NULL/ pointer as s1 in order to get the next
|
|
token in the string. Different sets of delimiters may be used for the
|
|
subsequent calls to <tt/strtok/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item><tt/strtok/ will modify the string s1.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="strcspn" name="strcspn">,
|
|
<!-- <ref id="strpbrk" name="strpbrk"> -->
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strupper<label id="strupper"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Make a string upper case.
|
|
<tag/Header/<tt/<ref id="string.h" name="string.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ strupper (char* s);/
|
|
<tag/Description/The <tt/strupper/ function will apply the <tt/toupper/
|
|
function to each character of a string. The function will always return <tt/s/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>The function prototype is unavailable when compiling in strict ANSI mode.
|
|
<item>An alias name for this function is <tt/strupr/.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="strlower" name="strlower">
|
|
<ref id="toupper" name="toupper">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>strupr<label id="strupr"><p>
|
|
|
|
<quote>
|
|
See <tt/strupper/.
|
|
</quote>
|
|
|
|
|
|
<sect1>textcolor<label id="textcolor"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Set the text color.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/unsigned char __fastcall__ textcolor (unsigned char color);/
|
|
<tag/Description/The function will set a new text color. It returns the old
|
|
(current) text color. Text output using any <tt/conio.h/ function will use
|
|
the color set by this function.
|
|
<tag/Limits/<itemize>
|
|
<item>Text colors are system dependent. The function may have no effect
|
|
on systems where the text color cannot be changed.
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="bgcolor" name="bgcolor">,
|
|
<ref id="bordercolor" name="bordercolor">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>time<label id="time"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Get the time.
|
|
<tag/Header/<tt/<ref id="time.h" name="time.h">/
|
|
<tag/Declaration/<tt/time_t __fastcall__ time (time_t* t);/
|
|
<tag/Description/The function returns the time since the 1970-01-01 00:00:00
|
|
measured in seconds. If the pointer <tt/t/ is not <tt/NULL/, the function
|
|
result will also be stored there. If no time is available, <tt/(time_t)-1/ is
|
|
returned and <tt/errno/ is set to <tt/ENOSYS/.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may
|
|
only be used in presence of a prototype.
|
|
<item>Many platforms supported by cc65 do not have a realtime clock, so the
|
|
returned value may not be valid.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>toggle_videomode<label id="toggle_videomode"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Toggle between 40 and 80 column mode.
|
|
<tag/Header/<tt/<ref id="c128.h" name="c128.h">/
|
|
<tag/Declaration/<tt/void toggle_videomode (void);/
|
|
<tag/Description/Toggle between 40 and 80 column mode. The settings for the
|
|
old mode (cursor position, color and so on) are saved and restored together
|
|
with the mode.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is specific to the C128.
|
|
</itemize>
|
|
<tag/Availability/C128
|
|
<tag/See also/
|
|
<ref id="fast" name="fast">,
|
|
<ref id="slow" name="slow">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>tolower<label id="tolower"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Convert a character into its lower case representation.
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ tolower (int c);/
|
|
<tag/Description/The function returns the given character converted to lower
|
|
case. If the given character is not a letter, it is returned unchanged.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may
|
|
only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="islower" name="islower">,
|
|
<ref id="isupper" name="isupper">,
|
|
<ref id="toupper" name="toupper">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>toupper<label id="toupper"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Convert a character into its upper case representation.
|
|
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ toupper (int c);/
|
|
<tag/Description/The function returns the given character converted to upper
|
|
case. If the given character is not a letter, it is returned unchanged.
|
|
<tag/Limits/<itemize>
|
|
<item>The function is only available as fastcall function, so it may
|
|
only be used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/ISO 9899
|
|
<tag/See also/
|
|
<ref id="islower" name="islower">,
|
|
<ref id="isupper" name="isupper">,
|
|
<ref id="tolower" name="tolower">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>ultoa<label id="ultoa"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Convert an unsigned long integer into a string.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ ultoa (unsigned long val, char* buf, int radix);/
|
|
<tag/Description/<tt/itoa/ converts the unsigned long integer <tt/val/ into a
|
|
string using <tt/radix/ as the base.
|
|
<tag/Limits/<itemize>
|
|
<item>There are no provisions to prevent a buffer overflow.
|
|
<item>The function is non standard, so it is not available in strict ANSI mode.
|
|
You should probably use <tt/sprintf/ instead.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="atoi" name="atoi">,
|
|
<ref id="atol" name="atol">,
|
|
<ref id="itoa" name="itoa">,
|
|
<ref id="ltoa" name="ltoa">,
|
|
<ref id="utoa" name="utoa">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>unlink<label id="unlink"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Delete a file.
|
|
<tag/Header/<tt/<ref id="unistd.h" name="unistd.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ unlink (const char* name);/
|
|
<tag/Description/<tt/unlink/ deletes the file with the given name. On success,
|
|
zero is returned. On error, -1 is returned and <tt/errno/ is set to an error
|
|
code describing the reason for the failure.
|
|
<tag/Limits/
|
|
<itemize>
|
|
<item>The use of this function is discouraged. Please use <tt/<ref id="remove"
|
|
name="remove">/ instead, which is a native ANSI C function and does the same.
|
|
<item>This function is not available on all cc65 targets (depends on the
|
|
availability of file I/O).
|
|
<item>The function is only available as fastcall function, so it may only
|
|
be used in presence of a prototype.
|
|
<item>Instead of <tt/unlink/, <tt/<ref id="remove" name="remove">/ should be
|
|
used, which has the same semantics, but is more portable, because it conforms
|
|
to the ISO C standard.
|
|
</itemize>
|
|
<tag/Availability/POSIX 1003.1
|
|
<tag/See also/
|
|
<ref id="remove" name="remove">
|
|
<tag/Example/
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
#define FILENAME "helloworld"
|
|
|
|
if (unlink (FILENAME) == 0) {
|
|
printf ("We deleted %s successfully\n", FILENAME);
|
|
} else {
|
|
printf ("There was a problem deleting %s\n", FILENAME);
|
|
}
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>utoa<label id="utoa"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Convert an unsigned integer into a string.
|
|
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
|
|
<tag/Declaration/<tt/char* __fastcall__ utoa (unsigned val, char* buf, int radix);/
|
|
<tag/Description/<tt/itoa/ converts the unsigned integer <tt/val/ into a string
|
|
using <tt/radix/ as the base.
|
|
<tag/Limits/<itemize>
|
|
<item>There are no provisions to prevent a buffer overflow.
|
|
<item>The function is non standard, so it is not available in strict ANSI mode.
|
|
You should probably use <tt/sprintf/ instead.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="atoi" name="atoi">,
|
|
<ref id="atol" name="atol">,
|
|
<ref id="itoa" name="itoa">,
|
|
<ref id="ltoa" name="ltoa">,
|
|
<ref id="ultoa" name="ultoa">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>vcprintf<label id="vcprintf"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Formatted output to the console.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/int __fastcall__ vcprintf (const char* format, va_list ap);/
|
|
<tag/Description/The arguments specified as a <tt/va_list/ are converted to
|
|
text where necessary and formatted according to the format string given. The
|
|
resulting string is output to the console. <tt/vcprintf/ supports the same
|
|
format specifiers as <tt/vprintf/. <!-- <tt/<ref id="vprintf" name="vprintf">/. -->
|
|
<tag/Limits/<itemize>
|
|
<item>Like all other <tt/conio/ output functions, <tt/vcprintf/ distinguishes
|
|
between <tt/\r/ and <tt/\n/.
|
|
<item>The function is only available as fastcall function, so it may only be
|
|
used in presence of a prototype.
|
|
</itemize>
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="cprintf" name="cprintf">,
|
|
<ref id="cputc" name="cputc">,
|
|
<ref id="cputcxy" name="cputcxy">,
|
|
<ref id="cputs" name="cputs">,
|
|
<ref id="cputsxy" name="cputsxy">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>wherex<label id="wherex"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return the current X position of the text mode cursor.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/unsigned char wherex (void);/
|
|
<tag/Description/The function returns the current X position of the text mode
|
|
cursor. Zero is returned for the leftmost screen position.
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="gotox" name="gotox">,
|
|
<ref id="gotoy" name="gotoy">,
|
|
<ref id="gotoxy" name="gotoxy">,
|
|
<ref id="wherey" name="wherey">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
<sect1>wherey<label id="wherey"><p>
|
|
|
|
<quote>
|
|
<descrip>
|
|
<tag/Function/Return the current Y position of the text mode cursor.
|
|
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
|
|
<tag/Declaration/<tt/unsigned char wherey (void);/
|
|
<tag/Description/The function returns the current Y position of the text mode
|
|
cursor. Zero is returned for the uppermost screen position.
|
|
<tag/Availability/cc65
|
|
<tag/See also/
|
|
<ref id="gotox" name="gotox">,
|
|
<ref id="gotoy" name="gotoy">,
|
|
<ref id="gotoxy" name="gotoxy">,
|
|
<ref id="wherex" name="wherex">
|
|
<tag/Example/None.
|
|
</descrip>
|
|
</quote>
|
|
|
|
|
|
</article>
|
|
|
|
|