void (*error)(struct uclient *cl, int code);
};
-struct uclient *uclient_new(const char *url, const struct uclient_cb *cb);
+struct uclient *uclient_new(const char *url, const char *auth_str, const struct uclient_cb *cb);
void uclient_free(struct uclient *cl);
int uclient_connect_url(struct uclient *cl, const char *url_str);