void OnUserMessage(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list);
void OnBackgroundTimer(time_t curtime);
void OnUserJoin(Membership* memb, bool sync, bool created, CUList& excepts);
void OnUserMessage(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list);
void OnBackgroundTimer(time_t curtime);
void OnUserJoin(Membership* memb, bool sync, bool created, CUList& excepts);