-#define GTK_CELL_RENDERER_PIXBUF(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_CELL_RENDERER_PIXBUF, GtkCellRendererPixbuf))
-#define GTK_CELL_RENDERER_PIXBUF_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_CELL_RENDERER_PIXBUF, GtkCellRendererPixbufClass))
-#define GTK_IS_CELL_RENDERER_PIXBUF(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_CELL_RENDERER_PIXBUF))
-#define GTK_IS_CELL_RENDERER_PIXBUF_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((obj), GTK_TYPE_CELL_RENDERER_PIXBUF))
-#define GTK_CELL_RENDERER_PIXBUF_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_CELL_RENDERER_PIXBUF, GtkCellRendererPixbufClass))
+#define GTK_CELL_RENDERER_PIXBUF(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CELL_RENDERER_PIXBUF, GtkCellRendererPixbuf))
+#define GTK_CELL_RENDERER_PIXBUF_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CELL_RENDERER_PIXBUF, GtkCellRendererPixbufClass))
+#define GTK_IS_CELL_RENDERER_PIXBUF(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CELL_RENDERER_PIXBUF))
+#define GTK_IS_CELL_RENDERER_PIXBUF_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CELL_RENDERER_PIXBUF))
+#define GTK_CELL_RENDERER_PIXBUF_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CELL_RENDERER_PIXBUF, GtkCellRendererPixbufClass))