IP_MULTICAST_IF
&& prog_setsockopt(s, IPPROTO_IP, IP_MULTICAST_IF,
if (prog_setsockopt(s, IPPROTO_IP, IP_MULTICAST_IF,
IPPROTO_IP, IP_MULTICAST_IF,
IPPROTO_IP, IP_MULTICAST_IF,
return IP_MULTICAST_IF;
IP_MULTICAST_IF,
IP_MULTICAST_IF,
IP_MULTICAST_IF,
case IP_MULTICAST_IF:
case IP_MULTICAST_IF:
case IP_MULTICAST_IF: {
case IP_MULTICAST_IF:
case IP_MULTICAST_IF:
translate(IP_MULTICAST_IF);
CASERETURN(IP_MULTICAST_IF);
if (setsockopt(ip4socket, IPPROTO_IP, IP_MULTICAST_IF,
if (setsockopt(igmp_socket, IPPROTO_IP, IP_MULTICAST_IF,