mirror of https://github.com/GnoConsortium/gno.git
124 lines
2.7 KiB
C
124 lines
2.7 KiB
C
/*
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* Standard include file for "less".
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*/
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#ifdef __ORCAC__
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#define _ORCAC_
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#pragma optimize -1
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/* #pragma lint -1 */
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <gno/gno.h>
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/*
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* Include the file of compile-time options.
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*/
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#include "defines.h"
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/*
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* Language details.
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*/
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#if !VOID
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#define void int
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#endif
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#define public /* PUBLIC FUNCTION */
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/*
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* Special types and constants.
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*/
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typedef long POSITION;
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/*
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* {{ Warning: if POSITION is changed to other than "long",
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* you may have to change some of the printfs which use "%ld"
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* to print a variable of type POSITION. }}
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*/
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#define NULL_POSITION ((POSITION)(-1))
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/*
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* The type of an interrupt handler.
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*/
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#define HANDLER void
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/*
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* An IFILE represents an input file.
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*/
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#define IFILE VOID_POINTER
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#define NULL_IFILE ((IFILE)NULL)
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/*
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* The structure used to represent a "screen position".
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* This consists of a file position, and a screen line number.
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* The meaning is that the line starting at the given file
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* position is displayed on the ln-th line of the screen.
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* (Screen lines before ln are empty.)
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*/
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struct scrpos
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{
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POSITION pos;
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int ln;
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};
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typedef union parg
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{
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char *p_string;
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int p_int;
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} PARG;
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#define NULL_PARG ((PARG *)NULL)
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#define EOI (-1)
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#ifndef NULL
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#define NULL (0)
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#endif
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#define READ_INTR (-2)
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/* How quiet should we be? */
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#define NOT_QUIET 0 /* Ring bell at eof and for errors */
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#define LITTLE_QUIET 1 /* Ring bell only for errors */
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#define VERY_QUIET 2 /* Never ring bell */
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/* How should we prompt? */
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#define PR_SHORT 0 /* Prompt with colon */
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#define PR_MEDIUM 1 /* Prompt with message */
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#define PR_LONG 2 /* Prompt with longer message */
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/* How should we handle backspaces? */
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#define BS_SPECIAL 0 /* Do special things for underlining and bold */
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#define BS_NORMAL 1 /* \b treated as normal char; actually output */
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#define BS_CONTROL 2 /* \b treated as control char; prints as ^H */
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/* How should we search? */
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#define SRCH_FORW 0 /* Search forward from current position */
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#define SRCH_BACK 1 /* Search backward from current position */
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#define SRCH_NOMATCH 0100 /* Search for non-matching lines */
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#define SRCH_PAST_EOF 0200 /* Search past end-of-file, into next file */
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#define SRCH_FIRST_FILE 0400 /* Search starting at the first file */
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#define SRCH_DIR(t) ((t) & 01)
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#define SRCH_REVERSE(t) ((t) ^ 01)
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/* Special chars used to tell put_line() to do something special */
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#define NORMAL (0)
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#define UNDERLINE (1)
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#define BOLD (2)
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#define BLINK (3)
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#define INVIS (4)
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#define CONTROL(c) ((c)&037)
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#define ESC CONTROL('[')
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#define SIGNAL(sig,func) signal(sig,func)
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/* Library function declarations */
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offset_t lseek();
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#define BAD_LSEEK ((offset_t)-1)
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VOID_POINTER calloc();
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#define ch_zero() ((POSITION)0)
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#include "proto.h"
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