RtlAddAccessDeniedAceEx

NTSTATUS __stdcall RtlAddAccessDeniedAceEx(
        _ACL *Acl,
        UINT64 AceRevision,
        UINT64 AceFlags,
        UINT64 AccessMask,
        VOID *Sid){
  return RtlpAddKnownAce(Acl, AceRevision, AceFlags, AccessMask, Sid, 1u);
}

Referenced by:

PiAuCreateStandardSecurityObject