GtkWidget *tab_area = gtk_notebook_new();
gtk_notebook_set_tab_pos(GTK_NOTEBOOK(tab_area), GTK_POS_BOTTOM);
gtk_paned_pack2(GTK_PANED(paned), tab_area, FALSE, FALSE);
GtkWidget *tab_area = gtk_notebook_new();
gtk_notebook_set_tab_pos(GTK_NOTEBOOK(tab_area), GTK_POS_BOTTOM);
gtk_paned_pack2(GTK_PANED(paned), tab_area, FALSE, FALSE);