fr_dmask
if ((fr1->fr_dmask == fr->fr_dmask) &&
if (fr1->fr_dmask &&
(fr1->fr_daddr & fr1->fr_dmask) ==
(fr->fr_daddr & fr1->fr_dmask)) {
} else if ((fr->fr_dmask != 0) ||
} else if ((fr->fr_dmask != 0) ||
fr->fr_dmask, fr->fr_daddr);