gistfile1.c

int
main(int argc, char *argv[])
{
    dispatch_async(dispatch_get_global_queue(0, 0), ^{
        EditLine *el;
        History *myhistory;
        int count;
        const char *line;
        HistEvent ev;

        el = el_init("sp", stdin, stdout, stderr);
        el_set(el, EL_PROMPT, &prompt);
        el_set(el, EL_EDITOR, "emacs");

        myhistory = history_init();
        history(myhistory, &ev, H_SETSIZE, 800);

        el_set(el, EL_HIST, history, myhistory);

        while (true) {
            line = el_gets(el, &count);

            /* HANDLE INPUT HERE */

            if (count > 0)
                history(myhistory, &ev, H_ENTER, line);
        }

        history_end(myhistory);
        el_end(el);
        
    });

    /* run the service */
    while (true)
        game_step();

    return 0;
}