Function has_ceiling

src/dungeon.c:1689–1698

}

boolean
has_ceiling(d_level *lev)
{
    /* FIXME: some (most? all?) of the quest home levels are conceptually
       above ground and don't have ceilings outside of their buildings
       but we don't presently check for that */
    if (In_endgame(lev) && !Is_earthlevel(lev))
        return FALSE;
    return TRUE;
}

boolean
avoid_ceiling(d_level *lev)