if (mask) return TRUE; else return FALSE;
return (gboolean)mask;
xt_event_prepare (gpointer  source_data,                   GTimeVal *current_time,                   gint     *timeout,                   gpointer  user_data){     XtAppContext ac;  XtInputMask mask;    ac = XtDisplayToApplicationContext((Display *)user_data);  GDK_THREADS_ENTER();  mask = XtAppPending(ac);  GDK_THREADS_LEAVE();  if (mask)	return TRUE;  else	return FALSE;}