Symbol: in6_joingroup
sys/netinet/ip_carp.c
2201
if ((imm = in6_joingroup(ifp, &in6, &error)) == NULL)
sys/netinet/ip_carp.c
2214
if ((imm = in6_joingroup(ifp, &in6, &error)) == NULL)
sys/netinet6/in6_var.h
601
struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *);