Symbol: in6_nigroup_oldmcprefix
sys/netinet6/in6.c
739
in6_nigroup_oldmcprefix(ifp, NULL, -1, &mltaddr) == 0) {
sys/netinet6/in6_ifattach.h
48
int in6_nigroup_oldmcprefix(struct ifnet *, const char *, int, struct in6_addr *);