#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <readline/readline.h>
#include <readline/history.h>

main() {
    char *cp;
    FILE *tty;

    if ((tty = fopen("/dev/tty", "r+")) == NULL) {
	perror("/dev/tty: ");
	exit(1);
    }
    rl_prep_terminal(0);
    rl_instream = tty;
    rl_outstream = tty;
    cp = readline ("answer: ");
    exit(0);
}