ExVerifySuite

UINT8 __stdcall ExVerifySuite(SUITE_TYPE SuiteType){
  unsigned int SuiteMask; 
  if( SuiteType > MaxSuiteType )
    return 0;
  SuiteMask = KUSER_SHARED_DATA.SuiteMask;
  return _bittest((const int *)&SuiteMask, SuiteType);
}

Referenced by:

ExpUpdateProductSuiteTypeInRegistry
MmWriteTriageInformation
NtPowerInformation
PsLocateSystemDlls