monsters *beholder = NULL;  // beholding monster preventing movement

    const bool can_swap_places = targ_monst != NON_MONSTER

    bool can_swap_places = targ_monst != NON_MONSTER

    if (you.duration[DUR_BEHELD] && !you.duration[DUR_CONF]
        && (!can_swap_places || mons_is_submerged(&menv[targ_monst])))

    if (you.duration[DUR_BEHELD] && !you.duration[DUR_CONF])

                 mprf("You cannot move away from %s!",
                      mon->name(DESC_NOCAP_THE, true).c_str());
                      
                 move_x = 0;
                 move_y = 0;
                 return;

                 beholder = mon;
                 break;

        if (can_swap_places)

        if (can_swap_places && !beholder)

        else // attack!

        else if (!can_swap_places) // attack!

    if (!attacking && targ_pass && moving)

    if (!attacking && targ_pass && moving && !beholder)

    }
    else if (beholder)
    {
        mprf("You cannot move away from %s!",
            beholder->name(DESC_NOCAP_THE, true).c_str());
        move_x = 0;
        move_y = 0;
        return;