gistfile1.cpp

for(i = 0; i < n; i++) {
		//create 2 pipes per process, then close appropriate ends
		if(pipe(parent_to_child[i]) == -1) {
			cout << "Error creating pipe!" << endl;
			exit(1);
		}
		
		if(pipe(child_to_parent[i]) == -1) {
			cout << "Error creating pipe!" << endl;
			exit(1);
		}
		
		pid = fork();
		if(pid > 0) {
			//This is the parent, close the unnecessary pipe ends
			close(parent_to_child[i][READ_END]);
			close(child_to_parent[i][WRITE_END]);
			
			continue;
		} else if(pid == 0) {
			//This is the child, close the opposite pipe ends as above
			close(parent_to_child[i][WRITE_END]);
			close(child_to_parent[i][READ_END]);
			
			create_child(i);
			break;
		} else {
			cout << "Fork Error!" << endl;
		}
	}