Mine

#include <stdlib.h>
#include <stdio.h>
#include <dbus/dbus.h>
#include <dbus/dbus-glib.h>

int main (int argc, char **argv) {
	DBusConnection *connection;

	g_thread_init (NULL);
	dbus_g_thread_init ();

	connection = dbus_bus_get (DBUS_BUS_SESSION, NULL);
	if (connection == NULL) {
		fprintf (stderr, "Failed to get session bus\n");
		return -1;
	} else {
		fprintf (stderr, "Got session bus\n");
		dbus_connection_unref (connection);
	}
	return 0;
}