// C++ Code to demonstrate getppid() 
#include <iostream> 
#include <unistd.h> 
using namespace std; 

// Driver Code 
int main() 
{ 
	int pid; 
	pid = fork(); 
	if (pid == 0) 
	{ 
		cout << "\nParent Process id : "
			<< getpid() << endl; 
		cout << "\nChild Process with parent id : "
			<< getppid() << endl; 
	} 
	return 0; 
}