int (*register_entry)( Entry *e, monitor_callback_t *cb,
monitor_subsys_t *ms, unsigned long flags );
int (*register_entry_parent)( Entry *e, monitor_callback_t *cb,
int (*register_entry)( Entry *e, monitor_callback_t *cb,
monitor_subsys_t *ms, unsigned long flags );
int (*register_entry_parent)( Entry *e, monitor_callback_t *cb,