#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/wait.h>
#include <errno.h>

const int PIPE_SIZE = 65536;

int main() {
    char buf[PIPE_SIZE - 1];

    while (1) {
        memset(buf, 0, PIPE_SIZE);

        size_t received_size = read(STDIN_FILENO, buf, sizeof buf);
        if ((int)received_size == 0) {
            break;
        }

        printf(">>>>>\n");
        printf("%s\n", buf);
    }

    return 0;
}