/*
** pipe1.c -- a dumb pipe example
*/

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

int main()
{
    int pfds[2];
    char buf[30];

    if (pipe(pfds) == -1) {
        perror("pipe");
        exit(1);
    }

    printf("writing to file descriptor #%d\n", pfds[1]);
    write(pfds[1], "test", 5);
    printf("reading from file descriptor #%d\n", pfds[0]);
    read(pfds[0], buf, 5);
    printf("read \"%s\"\n", buf);
}