#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <stdio.h>

#define FIFONAME    "myfifo"

int main(void) {
    int n, fd;
    char buf[1024];

    /*
     * Remove any previous FIFO.
     */
    unlink(FIFONAME);

    /* Create the FIFO.*/
    if (mkfifo(FIFONAME, 0666) < 0) {
        perror("mkfifo");
        exit(1);
    }

     /* Open the FIFO for reading.*/
    if ((fd = open(FIFONAME, O_RDONLY)) < 0) {
        perror("open");
        exit(1);
    }

     /* Read from the FIFO until end-of-file and
        print on the standard output. */
    while ((n = read(fd, buf, sizeof(buf))) > 0)
        write(1, buf, n);  /* STDOUT_FILENO = 1 */

    close(fd);
    exit(0);
}