if_target         897 netinet/in.c   	struct ifnet *ifn, *if_first, *if_target;
if_target         906 netinet/in.c   		if_target = 0;
if_target         909 netinet/in.c   		if_target = TAILQ_NEXT(ifp, if_list);
if_target         918 netinet/in.c           for (ifn = if_first; ifn != if_target; ifn = TAILQ_NEXT(ifn, if_list)) {