void gtk_tool_item_group_set_header_relief (GtkToolItemGroup *group,
GtkReliefStyle style);
-G_CONST_RETURN gchar* gtk_tool_item_group_get_label (GtkToolItemGroup *group);
+const gchar * gtk_tool_item_group_get_label (GtkToolItemGroup *group);
GtkWidget *gtk_tool_item_group_get_label_widget (GtkToolItemGroup *group);
gboolean gtk_tool_item_group_get_collapsed (GtkToolItemGroup *group);
PangoEllipsizeMode gtk_tool_item_group_get_ellipsize (GtkToolItemGroup *group);