-#define GTK_MENU(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_MENU, GtkMenu))
-#define GTK_MENU_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_MENU, GtkMenuClass))
-#define GTK_IS_MENU(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_MENU))
-#define GTK_IS_MENU_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_MENU))
-#define GTK_MENU_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_MENU, GtkMenuClass))
+#define GTK_MENU(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_MENU, GtkMenu))
+#define GTK_MENU_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_MENU, GtkMenuClass))
+#define GTK_IS_MENU(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_MENU))
+#define GTK_IS_MENU_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_MENU))
+#define GTK_MENU_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_MENU, GtkMenuClass))