{
    struct gui_data *inst = (struct gui_data *)frontend;
    if (n >= 16)
	n += 256 - 16;
    if (n > NALLCOLOURS)
	return;
    real_palette_set(inst, n, r, g, b);
    if (n == 258)
    if (n == 258) {
	/* Default Background changed. Ensure space between text area and
	 * window border is redrawn */
	set_window_background(inst);
	draw_backing_rect(inst);
	gtk_widget_queue_draw(inst->area);
    }
}

void palette_reset(void *frontend)
{
    struct gui_data *inst = (struct gui_data *)frontend;
    /* This maps colour indices in inst->cfg to those used in inst->cols. */
    static const int ww[] = {

    for (i = 0; i < NALLCOLOURS; i++) {
	if (!success[i])
	    g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n",
                    appname, i, inst->cfg.colours[i][0],
                    inst->cfg.colours[i][1], inst->cfg.colours[i][2]);
    }

    /* Since Default Background may have changed, ensure that space
     * between text area and window border is refreshed. */
    set_window_background(inst);
    if (inst->area) {
	draw_backing_rect(inst);
	gtk_widget_queue_draw(inst->area);
    }
}

/* Ensure that all the cut buffers exist - according to the ICCCM, we must
 * do this before we start using cut buffers.
 */
void init_cutbuffers()
{