+
+int sockaddr_pretty(const struct sockaddr *_sa, socklen_t salen, bool translate_ipv6, char **ret);
+int getpeername_pretty(int fd, char **ret);
+int getsockname_pretty(int fd, char **ret);
+
+const char* socket_address_bind_ipv6_only_to_string(SocketAddressBindIPv6Only b) _const_;
+SocketAddressBindIPv6Only socket_address_bind_ipv6_only_from_string(const char *s) _pure_;
+
+int netlink_family_to_string_alloc(int b, char **s);
+int netlink_family_from_string(const char *s) _pure_;