imr.imr_multiaddr.s_addr = htonl (inet_addr ((char *) XSTRING_DATA (dest)));
imr.imr_interface.s_addr = htonl (INADDR_ANY);
if (setsockopt (rs, IPPROTO_IP, IP_ADD_MEMBERSHIP,
imr.imr_multiaddr.s_addr = htonl (inet_addr ((char *) XSTRING_DATA (dest)));
imr.imr_interface.s_addr = htonl (INADDR_ANY);
if (setsockopt (rs, IPPROTO_IP, IP_ADD_MEMBERSHIP,