-/* get a name usable for a cast from a GTK+ type (without GTK_TYPE_)*/
-const char * get_cast(char *type, gboolean simple_only);
+/* get a name usable for a cast from a GObject (without G_TYPE_)*/
+const char * get_cast (const char *type, gboolean simple_only);
+Type * get_tree_type (const char *type, gboolean simple_only);
+char * get_type (const Type *t, gboolean postfix_to_stars);