Someone

int main(void) {
	printf("My pid is %d\n", getpid());
	if (fork() == 0 ) { /* child */
	printf("I am %d, my parent is %d\n", getpid(), getppid());
sleep(5);
	printf("I am %d, my parent is %d\n", getpid(), getppid());
} else {  /* parent */
sleep(1);
	printf("I am the parent %d, but I'm leaving now\n", getpid());
	}