bsd/net/bpf.c

468 	int first = bp->bif_dlist == NULL;
477 	d->bd_next = bp->bif_dlist;
478 	bp->bif_dlist = d;
517 	p = &bp->bif_dlist;
524 	if (bp->bif_dlist == 0) {
535 			if (bp->bif_ifp == ifp && bp->bif_dlist != 0)
1633 			for (bpf_d = bp->bif_dlist; bpf_d; bpf_d = bpf_d->bd_next) {
2114 	if (bp && bp->bif_ifp == ifp && bp->bif_dlist != NULL) {
2148 		for (d = bp->bif_dlist; d; d = d->bd_next) {
2478 		while ((d = bp->bif_dlist) != NULL) {