?? myspin.c
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/* * 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);}
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