#include <stdio.h>
#include <cstdlib>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <iostream>
using namespace std;

int main(void) {
	int k=3;
	int status;
	pid_t pid;
	pid=fork();
	//k=2;
	if (pid<0) {
		cout << "Fork() error !";
		_exit(1);
	}
	if (pid==0) {
		k=2;
		//child process
		cout << "Child process PID=" <<getpid() << "Parent process PID=" 
		<< getppid() << endl;
		sleep(10);
		cout << " Child k=" << k << endl;
		_exit(200);
	} else {
		//Parent process
		cout << "Parent process," << "PIDR=" << pid
		<<" PID=" << getpid() << "Parent process PID=" 
		<< getppid() << endl;
		cout << "Parent k=" << k << endl;
		pid=wait(&status); 
		if (WIFEXITED(status)) {
		 cout << "Process PID" << pid << "finished with code :" << WEXITSTATUS(status)
			 << "from process with PID:" << getpid() << endl;
		}
	}
	return 0;
}