HAVE_TYPE_STRUCT_IP_MREQN  711 ext/socket/option.c #if defined(IPPROTO_IP) && defined(HAVE_TYPE_STRUCT_IP_MREQN) /* GNU/Linux, FreeBSD 7 */
HAVE_TYPE_STRUCT_IP_MREQN  743 ext/socket/option.c # if defined(HAVE_TYPE_STRUCT_IP_MREQN)
HAVE_TYPE_STRUCT_IP_MREQN  752 ext/socket/option.c #if defined(IPPROTO_IP) && defined(IP_MULTICAST_IF) && defined(HAVE_TYPE_STRUCT_IP_MREQN) /* 4.4BSD, GNU/Linux */
HAVE_TYPE_STRUCT_IP_MREQN 1336 ext/socket/option.c #            if defined(IP_MULTICAST_IF) && defined(HAVE_TYPE_STRUCT_IP_MREQN) /* 4.4BSD, GNU/Linux */