#include <gtk/gtk.h>

int main(int argc, char**argv)
{
	GtkWidget *window;
	GtkWidget *label;
	gtk_init(&argc, &argv);
	window=gtk_window_new(GTK_WINDOW_TOPLEVEL);
	g_signal_connect(G_OBJECT(window), "delete_event", gtk_main_quit, NULL);
	label=gtk_label_new("Hello world!");
	gtk_container_add(GTK_CONTAINER(window), label);
	gtk_widget_show_all(window);
	gtk_main();
	return 0;
}