+const char *af_name(int af);
+void udp_sock_experienced(struct log_if *lg, struct udpcommon *uc,
+ struct udpsocks *socks, struct udpsock *us,
+ const union iaddr *dest, int af /* 0 means any */,
+ int r, int errnoval);
+
+void udp_socks_register(struct udpcommon *uc, struct udpsocks *socks,
+ const char *desc);