#pragma once #include < time.h > #include //I've ommited this line. #if defined(_MSC_VER) || defined(_MSC_EXTENSIONS) #define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64 #else #define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL #endif struct timezone { int tz_minuteswest; /* minutes W of Greenwich */ int tz_dsttime; /* type of dst correction */ }; int gettimeofday(struct timeval *tv, struct timezone *tz); /* never worry about timersub type activies again -- from GLIBC and upcased. */ int timersub(struct timeval *a, struct timeval *b, struct timeval *result);