inline void system_time(sys_time_t* t) { _ftime(t); }
inline int64_t time_to_msec(const sys_time_t& t) { return t.time * 1000LL + t.millitm; }
inline void system_time(sys_time_t* t) { _ftime(t); }
inline int64_t time_to_msec(const sys_time_t& t) { return t.time * 1000LL + t.millitm; }