IP_MULTICAST_IF
if (setsockopt(igmpfd, IPPROTO_IP, IP_MULTICAST_IF,
if (setsockopt(ssend, IPPROTO_IP, IP_MULTICAST_IF, &ifaddr,
IP_MULTICAST_IF,
IPPROTO_IP, IP_MULTICAST_IF,
return (IP_MULTICAST_IF);
case IP_MULTICAST_IF:
case IP_MULTICAST_IF:
case IP_MULTICAST_IF:
case IP_MULTICAST_IF:
assert(setsockopt(s, IPPROTO_IP, IP_MULTICAST_IF, &mreqn,
assert(setsockopt(s, IPPROTO_IP, IP_MULTICAST_IF, &in,
ATF_REQUIRE(setsockopt(s, IPPROTO_IP, IP_MULTICAST_IF,
test_in_addr(IP_MULTICAST_IF, "IP_MULTICAST_IF", defaultv, modifiedv,
test_in_addr(IP_MULTICAST_IF, "IP_MULTICAST_IF", defaultv, modifiedv,
test_in_addr(IP_MULTICAST_IF, "IP_MULTICAST_IF", defaultv, modifiedv,
if (setsockopt(sock, IPPROTO_IP, IP_MULTICAST_IF, &if_addr,
if (setsockopt(sock, IPPROTO_IP, IP_MULTICAST_IF,
if (setsockopt(sock, IPPROTO_IP, IP_MULTICAST_IF,
if (setsockopt(sock, IPPROTO_IP, IP_MULTICAST_IF,
IP_MULTICAST_IF,