#include "socketfun.h"
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>

int main()
{
  int p[2];
  int fd;
  int dummy;

  if (pipe(p) == -1) exit(1);

  if (fork() != 0) {

    if (fork() != 0) {     /* This is the parent, a.out process. */
      close(p[0]);         /* Simply close the pipe and wait for the children to exit. */
      close(p[1]);
      wait(&dummy);
      wait(&dummy);
      exit(0);
    }

    fd = open("f1.txt", O_RDONLY);   /* This is the bin/x child.  First redirect stdin */
    if (fd < 0) exit(1);
    dup2(fd, 0);
    close(fd);

    dup2(p[1], 1);                   /* Then stdout, exec and exit if there was an error. */
    close(p[0]);
    close(p[1]);
    execlp("/bin/x", "x", "4.5", NULL);
    exit(1);
  }

  fd = request_connection("eecs.utk.edu", 6000);   /* And the bin/y child - do stdout. */
  dup2(fd, 1);
  close(fd);

  dup2(p[0], 0);                     /* Then stdin, exec and exit. */
  close(p[0]);
  close(p[1]);
  execlp("/bin/y", "y", "fred", "5", NULL);
  exit(1);
}