-#define GTK_MYFIXED(obj) GTK_CHECK_CAST (obj, gtk_myfixed_get_type (), GtkMyFixed)
-#define GTK_MYFIXED_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, gtk_myfixed_get_type (), GtkMyFixedClass)
-#define GTK_IS_MYFIXED(obj) GTK_CHECK_TYPE (obj, gtk_myfixed_get_type ())
+#define GTK_PIZZA(obj) GTK_CHECK_CAST (obj, gtk_pizza_get_type (), GtkPizza)
+#define GTK_PIZZA_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, gtk_pizza_get_type (), GtkPizzaClass)
+#define GTK_IS_PIZZA(obj) GTK_CHECK_TYPE (obj, gtk_pizza_get_type ())