void focus_cycle_popup_show(struct _ObClient *c, gboolean iconic_windows,
gboolean all_desktops, gboolean dock_windows,
gboolean desktop_windows);
-void focus_cycle_popup_hide();
+void focus_cycle_popup_hide(void);
void focus_cycle_popup_single_show(struct _ObClient *c,
gboolean iconic_windows,
gboolean all_desktops,
gboolean dock_windows,
gboolean desktop_windows);
-void focus_cycle_popup_single_hide();
+void focus_cycle_popup_single_hide(void);
/*! Returns TRUE if the popup is showing the client, otherwise FALSE. */
gboolean focus_cycle_popup_is_showing(struct _ObClient *client);