on_button1_clicked (GtkWidget *widget, gpointer user_data)
{
  printf ("IN : on_button1_clicked \n");
  
  
  /* NON FUNZIONA ANCORA!! */
  gchar output[80]="Ciao";
  GladeXML *self = glade_get_widget_tree(GTK_WIDGET(widget));
  GtkWidget *label = glade_xml_get_widget (self, "label2");
  gchar *ciccio = gtk_label_get_text (label);
  printf ("the label says \"%s\"\n", ciccio);
  printf ("Output says \"%s\"\n", output);

  if (ciccio == output) {
	  printf ("Ciccio: %s in\n\n", ciccio);
	  gtk_label_set_text(GTK_LABEL(label),"auricchio");
  }
  else {
	  printf ("Ciccio: %s out\n\n", ciccio);
	  gtk_label_set_text(GTK_LABEL(label),output);
  }
}