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

int main()
{
	for (int i = 0; i < 4; i++)
	{
		fork();
		cout << "Process pid=" << getpid() << " has i=" << i << endl;
	}
	wait(NULL);
//	cout << getpid() << " exiting " << endl;
}