Mine

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include <gtk/gtk.h>

#include "callbacks.h"
#include "interface.h"
#include "support.h"

gboolean
on_welcome_leave_notify_event          (GtkWidget       *widget,
                                        GdkEventCrossing *event,
                                        gpointer         user_data)
{

  return FALSE;
}


void
on_button1_clicked                     (GtkButton       *button,
                                        gpointer         user_data)
{
GtkWidget *win;
win=gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size(GTK_WINDOW(win),240,360);
gtk_widget_show(win);
}