sh-lab/myspin.c

25 lines
418 B
C

/*
* myspin.c - A handy program for testing your tiny shell
*
* usage: myspin <n>
* Sleeps for <n> seconds in 1-second chunks.
*
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
int main(int argc, char **argv)
{
int i, secs;
if (argc != 2) {
fprintf(stderr, "Usage: %s <n>\n", argv[0]);
exit(0);
}
secs = atoi(argv[1]);
for (i=0; i < secs; i++)
sleep(1);
exit(0);
}