bufferIndex += 4; // 2 reserved
        this.dataLength = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.dataOffset = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 12; // 10 reserved

        return bufferIndex - start;
    }


    @Override
    protected int readBytesWireFormat ( byte[] buffer, int bufferIndex ) {
        // handled special in SmbTransport.doRecv()

    static final int NBSTAT = 0x0021;
    static final int IN = 0x0001;
    static final int A = 0x0001;
    static final int NS = 0x0002;
    static final int NULL = 0x000a;

    static final int HEADER_LENGTH = 12;

    // header field offsets
    static final int OPCODE_OFFSET = 2;
    static final int QUESTION_OFFSET = 4;
    static final int ANSWER_OFFSET = 6;
    static final int AUTHORITY_OFFSET = 8;

                dst[di++] = (byte)ch;
            } else if (ch > 0x07FF) {
                if((dlim - di) < 3 ) {
                    break;
                }
                dst[di++] = (byte)(0xE0 | ((ch >> 12) & 0x0F)); 
                dst[di++] = (byte)(0x80 | ((ch >>  6) & 0x3F)); 
                dst[di++] = (byte)(0x80 | ((ch >>  0) & 0x3F)); 
            } else {
                if((dlim - di) < 2 ) {

        buf.setIndex(start);
        encode_header(buf);
        buf.setIndex(start + length);
    }
    public void decode(NdrBuffer buf) throws NdrException {
        decode_header(buf);

        if (ptype != 12 && ptype != 2 && ptype != 3 && ptype != 13)
            throw new NdrException("Unexpected ptype: " + ptype);

        if (ptype == 2 || ptype == 3) { /* Response or Fault */
            alloc_hint = buf.dec_ndr_long();

                _dst = _dst.deferred;
                int _entriess = count;
                _dst.enc_ndr_long(_entriess);
                int _entriesi = _dst.index;
                _dst.advance(12 * _entriess);

                _dst = _dst.derive(_entriesi);
                for (int _i = 0; _i < _entriess; _i++) {
                    entries[_i].encode(_dst);
                }
            }
        }

        buf.setIndex(start + this.length);
    }


    @Override
    public void decode ( NdrBuffer buf ) throws NdrException {
        decode_header(buf);

        if ( this.ptype != 12 && this.ptype != 2 && this.ptype != 3 && this.ptype != 13 )
            throw new NdrException("Unexpected ptype: " + this.ptype);

        if ( this.ptype == 2 || this.ptype == 3 ) { /* Response or Fault */

    private static final int SHARING_DENY_READ_EXECUTE       = 0x30;
    private static final int SHARING_DENY_NONE               = 0x40;

    private static final int DO_NOT_CACHE  = 0x1000; // bit 12
    private static final int WRITE_THROUGH = 0x4000; // bit 14

    private static final int OPEN_FN_CREATE = 0x10;
    private static final int OPEN_FN_FAIL_IF_EXISTS = 0x00;
    private static final int OPEN_FN_OPEN = 0x01;

            if (array != null) {
                _dst = _dst.deferred;
                int _arrays = count;
                _dst.enc_ndr_long(_arrays);
                int _arrayi = _dst.index;
                _dst.advance(12 * _arrays);

                _dst = _dst.derive(_arrayi);
                for (int _i = 0; _i < _arrays; _i++) {
                    array[_i].encode(_dst);
                }
            }
        }

    static final int IN        = 0x0001;
    static final int A         = 0x0001;
    static final int NS        = 0x0002;
    static final int NULL      = 0x000a;

    static final int HEADER_LENGTH = 12;

    // header field offsets
    static final int OPCODE_OFFSET = 2;
    static final int QUESTION_OFFSET = 4;
    static final int ANSWER_OFFSET = 6;
    static final int AUTHORITY_OFFSET = 8;

                    (targetInformation != null ? targetInformation.length : 0)];
            System.arraycopy(NTLMSSP_SIGNATURE, 0, type2, 0, 8);
            writeULong(type2, 8, 2);
            writeSecurityBuffer(type2, 12, data, target);
            writeULong(type2, 20, flags);
            System.arraycopy(challenge != null ? challenge : new byte[8], 0,
                    type2, 24, 8);