RtlCheckRegistryKey

NTSTATUS __stdcall RtlCheckRegistryKey(UINT64 RelativeTo, PWCHAR Path){
  int v2; 
  NTSTATUS result; 
  VOID *Key; 

  Key = 0i64;
  v2 = RelativeTo;
  result = RtlpGetRegistryHandle(RelativeTo, Path, 0, &Key);
  if( result >= 0 )
  {
    if( (v2 & 0x40000000) == 0 )
      ZwClose((_HANDLE)Key);
    return 0;
  }
  return result;
}

Referenced by:

RtlCheckPortableOperatingSystem
WheapCommitPolicy