greq 461 ext/sockets/multicast.c struct group_req greq = {0}; greq 463 ext/sockets/multicast.c memcpy(&greq.gr_group, group, group_len); greq 464 ext/sockets/multicast.c assert(greq.gr_group.ss_family != 0); /* the caller has set this */ greq 465 ext/sockets/multicast.c greq.gr_interface = if_index; greq 468 ext/sockets/multicast.c join ? MCAST_JOIN_GROUP : MCAST_LEAVE_GROUP, (char*)&greq, greq 469 ext/sockets/multicast.c sizeof(greq));