Files
unix-v6/source/s2/sleep.c
T
2018-01-27 22:35:41 +09:00

22 lines
255 B
C

main(argc, argv)
char **argv;
{
int c, n;
char *s;
n = 0;
if(argc < 2) {
printf("arg count\n");
exit();
}
s = argv[1];
while(c = *s++) {
if(c<'0' || c>'9') {
printf("bad character\n");
exit();
}
n = n*10 + c - '0';
}
sleep(n);
}