GType gdk_display_get_type (void) G_GNUC_CONST;
GdkDisplay *gdk_display_open (const gchar *display_name);
-G_CONST_RETURN gchar * gdk_display_get_name (GdkDisplay *display);
+const gchar * gdk_display_get_name (GdkDisplay *display);
gint gdk_display_get_n_screens (GdkDisplay *display);
GdkScreen * gdk_display_get_screen (GdkDisplay *display,