* calls doRecv() after and no one else but the transport thread
         * should call doRecv(). Therefore it is ok to expect that the data
         * in sbuf will be preserved for copying into BUF in doRecv().
         */

        return key;
    }

    protected void doSend( Request request ) throws IOException {
        synchronized (BUF) {

     * looking for a way to improve perfomance this is precisly what you
     * would want to do as the jcifs.smb1.netbios.SocketXxxputStream classes
     * arraycopy all data read or written into a new buffer shifted over 4!)
     */

    byte command, flags;
    int headerStart,
        length,
        batchLevel,
        errorCode,
        flags2,
        tid, pid, uid, mid,

     * looking for a way to improve perfomance this is precisly what you
     * would want to do as the jcifs.netbios.SocketXxxputStream classes
     * arraycopy all data read or written into a new buffer shifted over 4!)
     */

    private byte command, flags;
    protected int headerStart, length, batchLevel, errorCode, flags2, pid, uid, mid, wordCount, byteCount;
    protected int tid = 0xFFFF;

     *
     * @throws CIFSException
     */
    void setReadOnly () throws CIFSException;


    /**
     * Set the attributes of this file. Attributes are composed into a
     * bitset by bitwise ORing the <tt>ATTR_*</tt> constants. Setting the
     * value returned by <tt>getAttributes</tt> will result in both files
     * having the same attributes.
     * 
     * @param attrs