#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

int main()
{
  int p[2];

  pipe(p);
  if (fork() == 0) {
    dup2(p[0], 0);
    printf("This process will never terminate.\n");
    execlp("cat", "cat", NULL);
    exit(0);
  } else {
    dup2(p[1], 1);
    close(0);
    sleep(1);
    exit(0);
  }
}