inspect_ipv4_add_drop_membership 1340 ext/socket/option.c case IP_ADD_MEMBERSHIP: inspected = inspect_ipv4_add_drop_membership(level, optname, data, ret); break; inspect_ipv4_add_drop_membership 1343 ext/socket/option.c case IP_DROP_MEMBERSHIP: inspected = inspect_ipv4_add_drop_membership(level, optname, data, ret); break;