-#define GTK_MISC(obj) GTK_CHECK_CAST (obj, gtk_misc_get_type (), GtkMisc)
-#define GTK_MISC_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, gtk_misc_get_type (), GtkMiscClass)
-#define GTK_IS_MISC(obj) GTK_CHECK_TYPE (obj, gtk_misc_get_type ())
+#define GTK_TYPE_MISC (gtk_misc_get_type ())
+#define GTK_MISC(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_MISC, GtkMisc))
+#define GTK_MISC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_MISC, GtkMiscClass))
+#define GTK_IS_MISC(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_MISC))
+#define GTK_IS_MISC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_MISC))
+#define GTK_MISC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_MISC, GtkMiscClass))