PHP_HTTP_API STATUS php_http_headers_parse(const char *header, size_t length, HashTable *headers, php_http_info_callback_t callback_func, void **callback_data TSRMLS_DC);
-extern zend_class_entry *php_http_header_class_entry;
-extern zend_function_entry php_http_header_method_entry[];
+PHP_HTTP_API void php_http_headers_to_callback(HashTable *headers, zend_bool crlf, php_http_pass_format_callback_t cb, void *cb_arg TSRMLS_DC);
+PHP_HTTP_API void php_http_headers_to_string(php_http_buffer_t *str, HashTable *headers TSRMLS_DC);
+
+PHP_HTTP_API zval *php_http_header_value_to_string(zval *header TSRMLS_DC);
+
+zend_class_entry *php_http_header_get_class_entry(void);
PHP_METHOD(HttpHeader, __construct);
-PHP_METHOD(HttpHeader, toString);
+PHP_METHOD(HttpHeader, serialize);
PHP_METHOD(HttpHeader, unserialize);
PHP_METHOD(HttpHeader, match);
+PHP_METHOD(HttpHeader, negotiate);
+PHP_METHOD(HttpHeader, getParams);
+PHP_METHOD(HttpHeader, parse);
PHP_MINIT_FUNCTION(http_header);