// Is the given monster near (in LOS of) the given foe's
// position (the player by default)?

    const monsters *myFoe = &menv[foe];
    if (myFoe->alive())
        return (monster->mon_see_cell(myFoe->pos()));

    const monsters *foemons = &menv[foe];
    if (foemons->alive())
        return (monster->mon_see_cell(foemons->pos()));