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/* help.c -- print help and usage message.
*
* This program is copyright (C) 1994 Michael K. Johnson, and is free
* software, which is freely distributable under the terms of the
* GNU public license, included as the file COPYING in this
* distribution. It is NOT public domain software, and any
* redistribution not permitted by the GNU General Public License is
* expressly forbidden without prior written permission from
* the author.
*
*/
#include <stdio.h>
#include <unistd.h>
#include "vlock.h"
void print_help(int exitcode) {
fprintf(stderr,
"vlock: locks virtual consoles, saving your current session.\n"
"Usage: vlock [options]\n"
" Where [options] are any of:\n"
"-c or --current: lock only this virtual console, allowing user to\n"
" switch to other virtual consoles.\n"
"-a or --all: lock all virtual consoles by preventing other users\n"
" from switching virtual consoles.\n"
"-v or --version: Print the version number of vlock and exit.\n"
"-h or --help: Print this help message and exit.\n"
);
exit(exitcode);
}
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