ExpCapabilityCheck

NTSTATUS __stdcall ExpCapabilityCheck(PCUNICODE_STRING SourceString){
  NTSTATUS result; 
  char HasCapability; 

  HasCapability = 0;
  result = RtlCapabilityCheck(0i64, (_UNICODE_STRING *)SourceString, (UINT8 *)&HasCapability);
  LOBYTE(result) = result >= 0 && HasCapability;
  return result;
}

Referenced by:

ExpFirmwareAccessAppContainerCheck
NtSetSystemInformation