#include <gtk/gtk.h>

int main (int argc, char *argv[])
  {
    /*** The Widgets we'll be using ***/ 
    GtkWidget *win = NULL;
    GtkWidget *close = NULL;

    /*** Initialize GTK+ ***/
    g_log_set_handler ("Gtk", G_LOG_LEVEL_WARNING, (GLogFunc) gtk_false, NULL);
    gtk_init (&argc, &argv);
    g_log_set_handler ("Gtk", G_LOG_LEVEL_WARNING, g_log_default_handler, NULL);

    /*** Make that Window!!! ***/
    win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    gtk_container_set_border_width (GTK_CONTAINER (win), 10);
    gtk_widget_realize (win);
    gtk_window_fullscreen(win);

    /*** this is a button that'll help us close the window ***/
    close = gtk_button_new_with_label("Close Window");
    gtk_container_add(win, close);

    /*** Callbacks ***/
    g_signal_connect (close, "clicked", gtk_main_quit, NULL);
    g_signal_connect (win, "destroy", gtk_main_quit, NULL);

    /*** Enter the main loop ***/
    gtk_widget_show_all (win);
    gtk_main ();

    return 0;
}