IFBIF_LEARNING
do_bridgeflag(s, val, IFBIF_LEARNING, 1);
do_bridgeflag(s, val, IFBIF_LEARNING, 0);
if ((bif->bif_flags & IFBIF_LEARNING) != 0 &&
if ((bif->bif_flags & IFBIF_LEARNING) &&
if ((bif->bif_flags & IFBIF_LEARNING) &&
bif->bif_flags = IFBIF_LEARNING | IFBIF_DISCOVER;