IP_ADD_MEMBERSHIP
if (setsockopt(s, IPPROTO_IP, IP_ADD_MEMBERSHIP,
if (setsockopt(s, IPPROTO_IP, IP_ADD_MEMBERSHIP,
if ((setsockopt(rip_sock, IPPROTO_IP, IP_ADD_MEMBERSHIP,
if (setsockopt(rdisc_sock, IPPROTO_IP, IP_ADD_MEMBERSHIP,
if (setsockopt(rdisc_sock, IPPROTO_IP, IP_ADD_MEMBERSHIP,
if (setsockopt(s, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq,
if (setsockopt(s, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq,
case IP_ADD_MEMBERSHIP: return ("IP_ADD_MEMBERSHIP");
case IP_ADD_MEMBERSHIP:
case IP_ADD_MEMBERSHIP:
{ IP_ADD_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT,
case IP_ADD_MEMBERSHIP:
{ IP_ADD_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT,