*/
typedef void tdm_vblank;
+/* virtual */
+typedef void (*tdm_output_create_handler)(tdm_display *dpy, tdm_output *output, void *user_data);
+typedef void (*tdm_output_destroy_handler)(tdm_output *output, void *user_data);
+
/**
* @brief The output change handler
* @details This handler will be called when the status of a output object is