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,
case IP_ADD_MEMBERSHIP:
case IP_ADD_MEMBERSHIP:
case IP_ADD_MEMBERSHIP:
case IP_ADD_MEMBERSHIP:
case IP_ADD_MEMBERSHIP:
case IP_ADD_MEMBERSHIP:
if (setsockopt(s, IPPROTO_IP, IP_ADD_MEMBERSHIP,
if (setsockopt(s, IPPROTO_IP, IP_ADD_MEMBERSHIP,
if (setsockopt(s, IPPROTO_IP, IP_ADD_MEMBERSHIP,
if (setsockopt(s, IPPROTO_IP, IP_ADD_MEMBERSHIP,
if( setsockopt( so, IPPROTO_IP, IP_ADD_MEMBERSHIP,
if (setsockopt(c_sock, IPPROTO_IP, IP_ADD_MEMBERSHIP,
if (setsockopt(s, IPPROTO_IP, IP_ADD_MEMBERSHIP,