#include <stdio.h>#include <stdlib.h>#include <signal.h>#include <millisleep.h>void sighandler(int sig) {	printf("Signal %d caught\n", sig);	signal(sig, sighandler);}int main(int ac, char *av[]) {	if(ac < 2) {		printf("usage: millisleep number_of_milliseconds\n");		return 1;	}	signal(SIGTERM, sighandler);	/* for the TERM signal (15, default for kill command)...  */	signal(SIGINT, sighandler); 	/* .. the INT signal... (Ctrl-C  hit on keyboard) */	millisleep(atoi(av[1]));	return 0;}