rem: gint div_id;
context: void appui_sur_ajout_sous_categorie ( GtkWidget * button, GtkTreeModel * model ){    MetatreeInterface * iface;    GtkTreeIter iter, parent_iter;    GtkTreeView * tree_view;    GtkTreeSelection * selection;    gint div_id;    iface = g_object_get_data ( G_OBJECT(model), "metatree-interface" );       tree_view = g_object_get_data ( G_OBJECT(model), "tree-view" );    if ( !iface || !tree_view )	return;    selection = gtk_tree_view_get_selection ( tree_view );    if ( selection && gtk_tree_selection_get_selected ( selection, &model, &parent_iter ) )    {	GtkTreePath * path = gtk_tree_model_get_path ( model, &parent_iter );	gint div_id, sub_div_id;	/* Get parent division id */	metatree_get_row_properties ( model, path, NULL, &div_id, NULL, NULL ) ;	sub_div_id = iface -> add_sub_div ( div_id );	gtk_tree_store_append ( GTK_TREE_STORE(model), &iter, &parent_iter );	fill_sub_categ_row ( model, iface, &iter, 			     iface -> get_div_pointer ( div_id ),			     iface -> get_sub_div_pointer ( div_id, sub_div_id ) );			     	modification_fichier ( TRUE );	gtk_tree_path_free ( path );    }}