// A C program to demonstrate Zombie Process.
// Child becomes Zombie as parent is sleeping
// when child process exits.
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>

int main()
{
	// Fork returns process id
	// in parent process
	pid_t child_pid = fork();

	// Parent process
	if (child_pid > 0)
          {
              printf("\n In the parent process. Waiting for 60 seconds.\n ");
              fflush(stdout);
              sleep(60);
          }
	// Child process
	else		
          {
              printf("\n In the child process. Waiting for 30 seconds. \n");
              fflush(stdout);
              sleep(30);
              printf("\n Child process exiting. Becomes a zombie for the next 30 seconds. \n");
              fflush(stdout);
          }

	return 0;
}