-extern void php_pqres_init_instance_data(PGresult *res, php_pqconn_object_t *obj, php_pqres_object_t **ptr);
-extern zval *php_pqres_row_to_zval(PGresult *res, unsigned row, php_pqres_fetch_t fetch_type, zval **data_ptr);
+extern php_pqres_object_t *php_pqres_init_instance_data(PGresult *res, php_pqconn_object_t *obj);
+extern zval *php_pqres_row_to_zval(PGresult *res, unsigned row, php_pqres_fetch_t fetch_type, zval *data);