| /* |
| * runlevel Prints out the previous and the current runlevel. |
| * |
| * Version: @(#)runlevel 1.20 16-Apr-1997 MvS |
| * |
| * This file is part of the sysvinit suite, |
| * Copyright 1991-1997 Miquel van Smoorenburg. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| |
| #include <stdio.h> |
| #include <utmp.h> |
| #include <time.h> |
| #include <stdlib.h> |
| |
| int main(argc, argv) |
| int argc; |
| char **argv; |
| { |
| struct utmp *ut; |
| char prev; |
| |
| if (argc > 1) utmpname(argv[1]); |
| |
| setutent(); |
| while ((ut = getutent()) != NULL) { |
| if (ut->ut_type == RUN_LVL) { |
| prev = ut->ut_pid / 256; |
| if (prev == 0) prev = 'N'; |
| printf("%c %c\n", prev, ut->ut_pid % 256); |
| endutent(); |
| exit(0); |
| } |
| } |
| |
| printf("unknown\n"); |
| endutent(); |
| return(1); |
| } |
| |