Function avoid_ceiling

src/dungeon.c:1700–1711

}

boolean
avoid_ceiling(d_level *lev)
{
    /* The quest is challenging since parts of the level
       may have ceilings and other parts may not; Avoid
       the ambiguity there by testing with avoid_ceiling()
       and using alternative messaging that avoids the term
       ceiling altogether there */
    if (In_quest(lev) || !has_ceiling(lev))
        return TRUE;
    return FALSE;
}

const char *
ceiling(coordxy x, coordxy y)