- user_data.data = cb;
- user_data.free_func = wg_callback_free;
- plugin_register_write (callback_name, wg_write, &user_data);
+ user_data_t ud = {
+ .data = cb,
+ .free_func = wg_callback_free
+ };
+
+ plugin_register_write (callback_name, wg_write, &ud);