4 const char sleep_usage[] = " NUMBER\n"
5 "Pause for NUMBER seconds.\n";
8 sleep_main(int argc, char * * argv)
10 if ( (argc < 2) || (**(argv+1) == '-') ) {
11 fprintf(stderr, "Usage: %s %s", *argv, sleep_usage);
15 if ( sleep(atoi(*(++argv))) != 0 ) {