#include <stdio.h>
#include <sys/stat.h>  /* for mkfifo */
#include <sys/types.h>  /* for open */
#include <sys/stat.h>  /* for open */
#include <fcntl.h>    /* for open */
#include <unistd.h>   /* for write */
#define BUFFSIZE 8192

main () {
  int fd,n;
    char buf[BUFFSIZE];
    unlink("apipe");
    if (-1 == mkfifo("apipe",S_IRWXU)) {
        perror("Error, could not make fifo\n");
    }
    if ((fd = open("apipe",O_RDONLY)) == -1) {
      perror("open");
      exit(1);
    }
    while ((n=read(fd,buf,BUFFSIZE))>0)
      if (write(1,buf,n) != n) {
      printf("cp: write error on file stdout\n");
      exit(1);
      }
exit(0);
}