if (x <= 0 || y <= 0)

    if (x <= 0)

        else if (grd[you.x_pos][you.y_pos] == DNGN_EXIT_ABYSS)

        else if (grd[you.x_pos][you.y_pos] == DNGN_EXIT_ABYSS
                 && you.char_direction != GDT_GAME_START)
        {

        }

        std::ostringstream prompt;
        prompt << (you.species == SP_VAMPIRE ? "Drink blood from" : "Eat")
               << ' ' << ((si->quantity > 1) ? "one of " : "")
               << si->name(DESC_NOCAP_A) << '?';
        const int ans = yesnoquit( prompt.str().c_str(), true, 0, false, false,
                                   'E' );

        mprf(MSGCH_PROMPT, "%s %s%s? (ye/n/q/i?)",
             (you.species == SP_VAMPIRE ? "Drink blood from" : "Eat"),
             ((si->quantity > 1) ? "one of " : ""),
             si->name(DESC_NOCAP_A).c_str());

        if (ans == -1)        // quit

        int keyin = tolower(c_getch());
        switch (keyin)
        {
        case 'q':
            canned_msg(MSG_OK);

        else if (ans == 1)    // yes
        {

        case 'e':
        case 'y':

        case 'i':
        case '?':
            // Directly skip ahead to inventory.
            return (0);
        default:
            // Else no: try next one.
            break;

        // else no: try next one

    return (false);

    return (0);

        if (mons_is_summoned(def))

        if (defender->atype() == ACT_MONSTER && mons_is_summoned(def))