A.4. GtkContainer

void GtkContainer::add	(GtkContainer *,
                      	 GtkWidget *,
                      	 gpointer);
void GtkContainer::remove	(GtkContainer *,
                         	 GtkWidget *,
                         	 gpointer);
void GtkContainer::check-resize	(GtkContainer *,
                               	 gpointer);
GtkDirectionType GtkContainer::focus	(GtkContainer *,
                                    	 GtkDirectionType,
                                    	 gpointer);
void GtkContainer::set-focus-child	(GtkContainer *,
                                  	 GtkWidget *,
                                  	 gpointer);