int start = dstIndex;
        SMBUtil.writeInt2(36, dst, dstIndex);
        SMBUtil.writeInt2(this.dialects.length, dst, dstIndex + 2);
        dstIndex += 4;

        SMBUtil.writeInt2(this.securityMode, dst, dstIndex);
        SMBUtil.writeInt2(0, dst, dstIndex + 2); // Reserved
        dstIndex += 4;

        SMBUtil.writeInt4(this.capabilities, dst, dstIndex);
        dstIndex += 4;

        int start = dstIndex;

        SMBUtil.writeInt2(this.negotiated.getNegotiatedSendBufferSize(), dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(this.negotiated.getNegotiatedMpxCount(), dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(getConfig().getVcNumber(), dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt4(this.negotiated.getNegotiatedSessionKey(), dst, dstIndex);

        int start = dstIndex;

        writeInt2( totalParameterCount, dst, dstIndex );
        dstIndex += 2;
        writeInt2( totalDataCount, dst, dstIndex );
        dstIndex += 2;
        if( command != SMB_COM_TRANSACTION_SECONDARY ) {
            writeInt2( maxParameterCount, dst, dstIndex );
            dstIndex += 2;
            writeInt2( maxDataCount, dst, dstIndex );
            dstIndex += 2;

        int start = dstIndex;

        SMBUtil.writeInt4(this.capabilities, dst, dstIndex);
        dstIndex += 4;

        System.arraycopy(this.clientGuid, 0, dst, dstIndex, 16);
        dstIndex += 16;

        SMBUtil.writeInt2(this.securityMode, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(this.dialects.length, dst, dstIndex);
        dstIndex += 2;

                        ( isBroadcast ? 0x10 : 0x00 ) +
                        ( resultCode & 0x0F ));
        writeInt2( questionCount, dst, start + QUESTION_OFFSET );
        writeInt2( answerCount, dst, start + ANSWER_OFFSET );
        writeInt2( authorityCount, dst, start + AUTHORITY_OFFSET );
        writeInt2( additionalCount, dst, start + ADDITIONAL_OFFSET );
        return HEADER_LENGTH;
    }

pad = pad == 0 ? 0 : 4 - pad;
dataOffset += pad;

        writeInt2( fid, dst, dstIndex );
        dstIndex += 2;
        writeInt4( offset, dst, dstIndex );
        dstIndex += 4;
        for( int i = 0; i < 4; i++ ) {
            dst[dstIndex++] = (byte)0xFF;
        }
        writeInt2( writeMode, dst, dstIndex );
        dstIndex += 2;
        writeInt2( remaining, dst, dstIndex );
        dstIndex += 2;

        int start = dstIndex;

        writeInt2( session.transport.snd_buf_size, dst, dstIndex );
        dstIndex += 2;
        writeInt2( session.transport.maxMpxCount, dst, dstIndex );
        dstIndex += 2;
        writeInt2( session.transport.VC_NUMBER, dst, dstIndex );
        dstIndex += 2;
        writeInt4( sessionKey, dst, dstIndex );
        dstIndex += 4;
        if (blob != null) {

        SMBUtil.writeInt4(this.channel, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt4(this.remainingBytes, dst, dstIndex);
        dstIndex += 4;

        SMBUtil.writeInt2(0, dst, dstIndex); // writeChannelInfoOffset
        SMBUtil.writeInt2(0, dst, dstIndex + 2); // writeChannelInfoLength
        dstIndex += 4;

        SMBUtil.writeInt4(this.writeFlags, dst, dstIndex);
        dstIndex += 4;

        int start = dstIndex;

        writeInt2( fid, dst, dstIndex );
        dstIndex += 2;
        writeInt4( offset, dst, dstIndex );
        dstIndex += 4;
        writeInt2( maxCount, dst, dstIndex );
        dstIndex += 2;
        writeInt2( minCount, dst, dstIndex );
        dstIndex += 2;
        writeInt4( openTimeout, dst, dstIndex );
        dstIndex += 4;
        writeInt2( remaining, dst, dstIndex );

            return 0;
        }

        writeInt2( subCommand & 0xFF, dst, dstIndex );
        dstIndex += 2;
        System.arraycopy( descr, 0, dst, dstIndex, descr.length );
        dstIndex += descr.length;
        writeInt2( 0x0001, dst, dstIndex );
        dstIndex += 2;
        writeInt2( maxDataCount, dst, dstIndex );
        dstIndex += 2;
        writeInt4( serverTypes, dst, dstIndex );
        dstIndex += 4;