extern zend_object_value php_http_client_pool_curl_object_new(zend_class_entry *ce TSRMLS_DC);
extern zend_object_value php_http_client_pool_curl_object_new_ex(zend_class_entry *ce, php_http_client_pool_t *p, php_http_client_pool_object_t **ptr TSRMLS_DC);
extern zend_object_value php_http_client_pool_curl_object_new(zend_class_entry *ce TSRMLS_DC);
extern zend_object_value php_http_client_pool_curl_object_new_ex(zend_class_entry *ce, php_http_client_pool_t *p, php_http_client_pool_object_t **ptr TSRMLS_DC);