+PHP_HTTP_API php_http_url_t *php_http_url_copy(const php_http_url_t *url, zend_bool persistent);
+PHP_HTTP_API php_http_url_t *php_http_url_from_struct(HashTable *ht);
+PHP_HTTP_API php_http_url_t *php_http_url_from_zval(zval *value, unsigned flags TSRMLS_DC);
+PHP_HTTP_API HashTable *php_http_url_to_struct(const php_http_url_t *url, zval *strct TSRMLS_DC);
+PHP_HTTP_API char *php_http_url_to_string(const php_http_url_t *url, char **url_str, size_t *url_len, zend_bool persistent);
+PHP_HTTP_API char *php_http_url_authority_to_string(const php_http_url_t *url, char **url_str, size_t *url_len);
+PHP_HTTP_API void php_http_url_free(php_http_url_t **url);