bool socket_ipv6_is_supported(void);
-int sockaddr_pretty(const struct sockaddr *_sa, socklen_t salen, bool translate_ipv6, char **ret);
+int sockaddr_port(const struct sockaddr *_sa) _pure_;
+
+int sockaddr_pretty(const struct sockaddr *_sa, socklen_t salen, bool translate_ipv6, bool include_port, char **ret);
int getpeername_pretty(int fd, char **ret);
int getsockname_pretty(int fd, char **ret);