void _gtk_tree_view_column_set_tree_view (GtkTreeViewColumn *column,
GtkTreeView *tree_view);
-gint _gtk_tree_view_column_request_width (GtkTreeViewColumn *tree_column);
+void _gtk_tree_view_column_request_width (GtkTreeViewColumn *tree_column,
+ gint *minimum,
+ gint *natural);
void _gtk_tree_view_column_allocate (GtkTreeViewColumn *tree_column,
int x_offset,
int width);