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7d184b3391
they are: - changed the makefile - prototyped functions - eliminated pathnames.h since all it does is #include <paths.h> - used gettytab.h for various function declarations - verified stack usage at 712 bytes - eliminated dummy gethostname() function. Instead, get it from libc. This exposes a problem with gethostname. See PR#59 for details. - eliminated a dependancy on strftime for the moment by calling ctime() instead. - Added GNO-formatted versions of the man pages.
123 lines
3.7 KiB
Plaintext
123 lines
3.7 KiB
Plaintext
.\" Copyright (c) 1980, 1991 Regents of the University of California.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)getty.8 6.6 (Berkeley) 4/25/91
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.\"
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.TH GETTY 8 "8 April 1998" GNO "System Administration"
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.SH NAME
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.BR getty
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\- set terminal mode
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.SH SYNOPSIS
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.BR getty
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[
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.I type
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[
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.I tty
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] ]
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.SH DESCRIPTION
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The
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.BR getty
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program
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is called by
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.BR init (8)
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to open and initialize the tty line, read a login name, and invoke
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.BR login (1).
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.LP
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The argument
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.BR tty
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is the special device
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to open for the terminal (for example, ``.ttyco'').
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If there is no argument or the argument is
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.IR \- ,
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the tty line is assumed to be open as file descriptor 0.
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.LP
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The
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.BR type
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argument can be used to make
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.BR getty
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treat the terminal line specially.
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This argument is used as an index into the
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.BR gettytab 5
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database, to determine the characteristics of the line.
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If there is no argument, or there is no such table, the
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.IR default
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table is used.
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If there is no
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/etc/gettytab ,
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a set of system defaults is used.
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If indicated by the table located,
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.BR getty
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will clear the terminal screen,
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print a banner heading,
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and prompt for a login name.
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Usually either the banner or the login prompt will include
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the system hostname.
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.LP
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Most of the default actions of
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.BR getty
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can be circumvented, or modified, by a suitable
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.BR gettytab
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table.
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.LP
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The
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.BR getty
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program
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can be set to timeout after some interval,
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which will cause dial up lines to hang up
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if the login name is not entered reasonably quickly.
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.SH DIAGNOSTICS
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.I "ttyxx: No such device or address."
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.br
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.I "ttyxx: No such file or address."
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.RS
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A terminal which is turned
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on in the
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.BR ttys
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file cannot be opened, likely because the requisite
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lines are either not configured into the system, the associated device
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was not attached during boot-time system configuration,
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or the special device
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does not exist.
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.RE
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.SH FILES
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/etc/gettytab
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.SH SEE ALSO
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.BR gettytab (5),
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.BR init (8),
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.BR login (1),
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.BR ioctl (2),
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.BR tty (4),
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.BR ttys (5)
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.SH HISTORY
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A
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.BR getty
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program appeared in Version 6 AT&T UNIX.
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