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

int main(int argc, char *argv[])
{
        char c;
        char buf[1024];
        int fd, i, n;

        if (argc != 2)
                return -1;

        fd = open(argv[1], O_RDONLY);
        if (fd < 0) {
                perror("wait_read - open fail");
                return -1;
        }

        c = getc(stdin);
        n = read(fd, buf, 1024);

        for (i = 0; i < n; i++)
                putc(buf[i], stdout);

        if (n < 0)
                perror("wait_read - read fail");
        else
                putc('\n', stdout);

        close(fd);
}