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#include <windows.h> int gettimeofday(struct timeval* tv, struct timezone* tz) { static LONGLONG birthunixhnsec = 116444736000000000; /*in units of 100 ns */ FILETIME systemtime; GetSystemTimeAsFileTime(&systemtime); ULARGE_INTEGER utime; utime.LowPart = systemtime.dwLowDateTime; utime.HighPart = systemtime.dwHighDateTime; ULARGE_INTEGER birthunix; birthunix.LowPart = (DWORD)birthunixhnsec; birthunix.HighPart = birthunixhnsec >> 32; LONGLONG usecs; usecs = (LONGLONG)((utime.QuadPart - birthunix.QuadPart) / 10); tv->tv_sec = (long)(usecs / 1000000); tv->tv_usec = (long)(usecs % 1000000); return 0; }