Function m_in_air

src/mon.c:2129–2136

return TRUE if monster is up in the air/on the ceiling */

/* return TRUE if monster is up in the air/on the ceiling */
boolean
m_in_air(struct monst *mtmp)
{
    return (is_flyer(mtmp->data)
            || is_floater(mtmp->data)
            || (is_clinger(mtmp->data)
                && has_ceiling(&u.uz) && mtmp->mundetected));
}

/* return number of acceptable neighbour positions */
int