-/*! Lowers a client window below all others in its stacking layer */
-void stacking_lower(struct Client *client);
+/*! Restack a window based upon a sibling (or all windows) in various ways.
+ @param client The client to be restacked
+ @param sibling Another client to compare to, or NULL to compare to all
+ windows
+ @param detail One of Above, Below, TopIf, BottomIf, Opposite
+ @param activate If TRUE, and if the window is going to be raised, it will
+ be activated instead
+ @return TRUE if the client was restacked
+ See http://tronche.com/gui/x/xlib/window/configure.html for details on
+ how each detail works with and without a sibling.
+*/
+gboolean stacking_restack_request(struct _ObClient *client,
+ struct _ObClient *sibling,
+ gint detail, gboolean activate);