legal_vif_num    2187 netinet/ip_mroute.c 	if (!legal_vif_num(vifi)) {
legal_vif_num    2233 netinet/ip_mroute.c 	if (!legal_vif_num(vifi)) {
legal_vif_num     343 netinet/ip_mroute.h int	legal_vif_num(int);