#include <gtk/gtk.h>

static void
button_clicked (GtkButton *button)
{
  GtkLabel *label;
  static gboolean toggle = FALSE;

  label = GTK_LABEL (GTK_BIN (button)->child);

  if (toggle)
    {
      gtk_label_set_text (label, "pot");
    }
  else
    {
      gtk_label_set_text (label, "crack");
    }
  toggle = !toggle;
}


int
main (int argc, char *argv[])
{
  GtkWidget *win;
  GtkWidget *button;

  gtk_init (&argc, &argv);

  win = gtk_window_new (GTK_WINDOW_TOPLEVEL);

  button = gtk_button_new_with_label ("smack");
  gtk_container_add (GTK_CONTAINER (win), button);

  gtk_signal_connect (GTK_OBJECT (button), "clicked",
		      GTK_SIGNAL_FUNC (button_clicked),
		      NULL);

  gtk_widget_show_all (win);

  gtk_main ();

  return 0;
}