WITHIN
if (WITHIN(l->l_mof, l->l_nb, d->d_mof, d->d_nb)) {
} else if (WITHIN(d->d_mof, d->d_nb,
if (!WITHIN(*lofp, nb, ul->un_head_lof,
WITHIN(mof, nb, crb->c_mof, crb->c_nb)) {
(WITHIN((me)->me_mof, (me)->me_nb, (mof), (hnb)))
(WITHIN((mof), (hnb), (me)->me_mof, (me)->me_nb))
(WITHIN((mof), (nb), (crb)->c_mof, (crb)->c_nb))