#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();	//two different processes
//	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;
}