rem: timePtr->usec = tb.millitm;
add: timePtr->usec = tb.millitm * 1000;
context: Ns_GetTime(Ns_Time *timePtr){#ifdef WIN32    struct _timeb tb;    _ftime(&tb);    timePtr->sec = tb.time;    timePtr->usec = tb.millitm;#else    struct timezone tz;    struct timeval tv;    gettimeofday(&tv, &tz);    timePtr->sec = tv.tv_sec;    timePtr->usec = tv.tv_usec;#endif}