NTSTATUS
RtlSetInformationAcl(
  IN  PACL Acl,
  IN  PVOID AclInformation,
  IN  ULONG AclInformationLength,
  IN  ACL_INFORMATION_CLASS AclInformationClass
  );

Routine Description:

    This routine sets the state of an ACL.  For now only the revision
    level can be set and for now only a revision level of 1 is accepted
    so this procedure is rather simple

Arguments:

    Acl - Supplies the Acl being altered

    AclInformation - Supplies the buffer containing the information being
        set

    AclInformationLength - Supplies the length of the Acl information buffer

    AclInformationClass - Supplies the type of information begin set

Return Value:

    NTSTATUS - STATUS_SUCCESS if successful and an appropriate error
        status otherwise