+#define http_request_pool_apply(p, f) _http_request_pool_apply((p), (f) TSRMLS_CC)
+PHP_HTTP_API void _http_request_pool_apply(http_request_pool *pool, http_request_pool_apply_func cb TSRMLS_DC);
+
+#define http_request_pool_apply_with_arg(p, f, a) _http_request_pool_apply_with_arg((p), (f), (a) TSRMLS_CC)
+PHP_HTTP_API void _http_request_pool_apply_with_arg(http_request_pool *pool, http_request_pool_apply_with_arg_func cb, void *arg TSRMLS_DC);
+