1 #include <stdio.h> 2 #include <sys/reboot.h> 3 /* 4 * Reboot 5 */ 6 static char *sccsid = "@(#)reboot.c 4.1 (Berkeley) 10/10/80"; 7 8 main(argc, argv) 9 int argc; 10 char **argv; 11 { 12 int howto; 13 register char *argp; 14 15 argc--, argv++; 16 howto = 0; 17 while (argc > 0) { 18 if (!strcmp(*argv, "-s")) 19 howto |= RB_SINGLE; 20 else if (!strcmp(*argv, "-n")) 21 howto |= RB_NOSYNC; 22 else if (!strcmp(*argv, "-a")) 23 howto |= RB_ASKNAME; 24 else { 25 fprintf(stderr, 26 "usage: reboot [ -a ] [ -n ] [ -s ]\n"); 27 exit(1); 28 } 29 argc--, argv++; 30 } 31 syscall(55, howto); 32 perror("reboot"); 33 } 34