extern struct addrinfo *str2addrinfo(const char *address, const char *service, int socktype) ATTR_MALLOC;
extern sockaddr_t str2sockaddr(const char *address, const char *port);
extern void sockaddr2str(const sockaddr_t *sa, char **address, char **port);
extern struct addrinfo *str2addrinfo(const char *address, const char *service, int socktype) ATTR_MALLOC;
extern sockaddr_t str2sockaddr(const char *address, const char *port);
extern void sockaddr2str(const sockaddr_t *sa, char **address, char **port);