void CtdlRegisterSessionHook(void (*fcn_ptr)(void), int EventType);
void CtdlUnregisterSessionHook(void (*fcn_ptr)(void), int EventType);
+void CtdlShutdownServiceHooks(void);
void CtdlRegisterUserHook(void (*fcn_ptr)(struct ctdluser *), int EventType);
void CtdlUnregisterUserHook(void (*fcn_ptr)(struct ctdluser *), int EventType);