/* buffered-copy.c */

#include <unistd.h>
#include <stdio.h>  /* Need BUFSIZ */

char buf[BUFSIZ];

int main()
{
        int n;

        while ((n = read(STDIN_FILENO, buf, BUFSIZ)) > 0)
                /* No error checking */
                write(STDOUT_FILENO, buf, n);  

        return 0;
}