public static final int POSITIVE_SESSION_RESPONSE = 0x82; 
    public static final int NEGATIVE_SESSION_RESPONSE = 0x83; 
    static final int SESSION_RETARGET_RESPONSE = 0x84; 
    static final int SESSION_KEEP_ALIVE = 0x85; 

    static final int MAX_MESSAGE_SIZE = 0x0001FFFF;
    static final int HEADER_LENGTH = 4;

    static void writeInt2( int val, byte[] dst, int dstIndex ) {

        int n;
        do {
            if ((n = readn( in, sbuf, 0, 4 )) < 4)
                return null;
        } while (sbuf[0] == (byte)0x85);  /* Dodge NetBIOS keep-alive */
                                                   /* read smb header */
        if ((n = readn( in, sbuf, 4, 32 )) < 32)
            return null;
        if (log.level >= 4) {

     * this <code>SmbResource</code> is a traditional file or directory, it will
     * be queried for on the specified server as expected.
     *
     * @return <code>true</code> if the resource exists or is alive or
     *         <code>false</code> otherwise
     * @throws CIFSException
     */
    boolean exists () throws CIFSException;


    /**
     * Fetch a child resource
     * 
     * @param name

        do {
            if ( ( readn(this.in, this.sbuf, 0, 4) ) < 4 ) {
                return null;
            }
        }
        while ( this.sbuf[ 0 ] == (byte) 0x85 ); /* Dodge NetBIOS keep-alive */
        /* read smb header */
        if ( ( readn(this.in, this.sbuf, 4, SmbConstants.SMB1_HEADER_LENGTH) ) < SmbConstants.SMB1_HEADER_LENGTH ) {
            return null;
        }

            this.treeHandle.ensureDFSResolved();
            if ( this.transportContext.getConfig().isStrictResourceLifecycle() ) {
                // one extra share to keep the tree alive
                return this.treeHandle.acquire();
            }
            return this.treeHandle;
        }
        return this.treeHandle.acquire();
    }


    /**
     * @param context

        "The referenced account is currently locked out and may not be logged on to.", "Connection refused",
        "The remote system is not reachable by the transport.", "The layered file system driver for this I/O tag did not handle it when needed.",
        "No more files were found that match the file specification.",
    };