-guint gtk_button_box_get_type (void);
-
-void gtk_button_box_get_child_size_default (gint *min_width, gint *min_height);
-void gtk_button_box_get_child_ipadding_default (gint *ipad_x, gint *ipad_y);
-
-void gtk_button_box_set_child_size_default (gint min_width, gint min_height);
-void gtk_button_box_set_child_ipadding_default (gint ipad_x, gint ipad_y);
-
-gint gtk_button_box_get_spacing (GtkButtonBox *widget);
-GtkButtonBoxStyle gtk_button_box_get_layout (GtkButtonBox *widget);
-void gtk_button_box_get_child_size (GtkButtonBox *widget,
- gint *min_width, gint *min_height);
-void gtk_button_box_get_child_ipadding (GtkButtonBox *widget, gint *ipad_x, gint *ipad_y);
-
-void gtk_button_box_set_spacing (GtkButtonBox *widget, gint spacing);
-void gtk_button_box_set_layout (GtkButtonBox *widget,
- GtkButtonBoxStyle layout_style);
-void gtk_button_box_set_child_size (GtkButtonBox *widget,
- gint min_width, gint min_height);
-void gtk_button_box_set_child_ipadding (GtkButtonBox *widget, gint ipad_x, gint ipad_y);
+ /* Padding for future expansion */
+ void (*_gtk_reserved1) (void);
+ void (*_gtk_reserved2) (void);
+ void (*_gtk_reserved3) (void);
+ void (*_gtk_reserved4) (void);
+};