#include <windows.h>
#include <ntstatus.h>
#include <stdio.h>

NTSYSCALLAPI NTSTATUS NTAPI NtQueryTimerResolution(_Out_ PULONG MaximumTime, _Out_ PULONG MinimumTime, _Out_ PULONG CurrentTime);

int main()
{ ULONG maxTime, minTime, currTime;
  NTSTATUS status;

  status = NtQueryTimerResolution(&maxTime, &minTime, &currTime);
  if (status == STATUS_SUCCESS)
   { printf("Max Time: %.7f s\n", maxTime * 1e-4);
     printf("Min Time: %.7f s\n", minTime * 1e-4);
     printf("Current Time: %.7f s\n", currTime * 1e-4);
  } else printf("Error NtQueryTimerResolution: %li\n", status);
  return 0;
}