/*
 * Sample program for wait() system call  - No. 7
 *
 * wait, waitpid(2) - wait for process termination
 *
 * Synopsis
 *     #include <sys/types.h>
 *     #include <unistd.h>
 *
 *     pid_t wait(int *status);
 *     pid_t waitpid(pid_t pid, int *status, int options);
 */

#include <stdio.h>
#include <sys/types.h>
#include <wait.h>

main()
{
	int i;
	fork();
	wait(NULL);		/* wait for child process termination */
	for (i = 0; i < 3; i++) {
		printf("PID = %d i = %d\n", getpid(), i);
		sleep(1);
	}
}