sa.sin_family = AF_INET;
sa.sin_port = port = htons(NWHO_PORT);
sa.sin_addr.s_addr = INADDR_ANY;
if (bind(sock, (struct sockaddr *) &sa, sizeof(sa)) < 0)
sa.sin_family = AF_INET;
sa.sin_port = port = htons(NWHO_PORT);
sa.sin_addr.s_addr = INADDR_ANY;
if (bind(sock, (struct sockaddr *) &sa, sizeof(sa)) < 0)