ObClient *client_find_directional(ObClient *c, ObDirection dir);
/*! Return the closest edge in the given direction */
-gint client_directional_edge_search(ObClient *c, ObDirection dir);
+gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang);
/*! Set a client window to be above/below other clients.
@layer < 0 indicates the client should be placed below other clients.<br>