#include <sys/types.h>
#include <sys/wait.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <iostream>

using namespace std;

int main(int argc, char *argv[]) {
    int pipefd[2];
    pid_t pid;
    string buf;

    if (pipe(pipefd) == -1) {
         perror("pipe");
         return 1;
    }

    pid = fork();
    if (pid == -1) {
          perror("fork");
          return 1;
    }

    if (pid == 0) {    /* Child reads from pipe */
           close(pipefd[1]);   /* Close unused write end */
           dup2(pipefd[0],STDIN_FILENO);
           close(pipefd[0]);

           getline(cin, buf);
           while(cin) {
	       cout << " Child here and I got the string " << buf << endl;
               getline(cin, buf);
           }

    } else {            /* Parent writes argv[1] to pipe */
           close(pipefd[0]);          /* Close unused read end */
           dup2(pipefd[1],STDOUT_FILENO);

	   getline(cin, buf);
	   while(buf != "QUIT") {
	       cout << buf << endl;
	       getline(cin, buf);
	   }
    }
    return 0;
}