void gtk_notebook_reorder_child ( GtkNotebook* notebook, GtkWidget* child, int position )
Reorders the page containing
child, so that it appears in position
position is greater than or equal to the number of children in
the list or negative,
child will be moved to the end of the list.
The child to move.
The data is owned by the caller of the function.
The new position, or -1 to move to the end.