int inputOffset = SMBUtil.readInt4(buffer, bufferIndex) + getHeaderStart();
        bufferIndex += 4;

        int inputCount = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        int outputOffset = SMBUtil.readInt4(buffer, bufferIndex) + getHeaderStart();
        bufferIndex += 4;

        int outputCount = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        if( wordCount == 0 ) {
            return 0;
        }
        fileAttributes = readInt2( buffer, bufferIndex );
        bufferIndex += 2;
        lastWriteTime = readUTime( buffer, bufferIndex );
        bufferIndex += 4;
        fileSize = readInt4( buffer, bufferIndex );
        return 20;
    }
    int readBytesWireFormat( byte[] buffer, int bufferIndex ) {
        return 0;

        bufferIndex += 4; // skip idFileSystem

        this.sectPerAlloc = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        this.alloc = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        this.free = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        this.bytesPerSect = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 4;

        // these are common between SYNC/ASYNC
        SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        SMBUtil.readInt2(buffer, bufferIndex);
        this.creditCharge = SMBUtil.readInt2(buffer, bufferIndex + 2);
        bufferIndex += 4;
        this.status = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.command = SMBUtil.readInt2(buffer, bufferIndex);

        command = buffer[bufferIndex + CMD_OFFSET];
        errorCode = readInt4( buffer, bufferIndex + ERROR_CODE_OFFSET );
        flags = buffer[bufferIndex + FLAGS_OFFSET];
        flags2 = readInt2( buffer, bufferIndex + FLAGS_OFFSET + 1 );
        tid = readInt2( buffer, bufferIndex + TID_OFFSET );
        pid = readInt2( buffer, bufferIndex + TID_OFFSET + 2 );
        uid = readInt2( buffer, bufferIndex + TID_OFFSET + 4 );

            throw new IOException("unexpected EOF reading netbios retarget session response");
        }
        int addr = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        new NbtAddress(null, addr, false, NbtAddress.B_NODE);
        readInt2(buffer, bufferIndex);
        return this.length;
    }

        int start = bufferIndex;
        this.allocationSize = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.numberOfLinks = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.deletePending = ( buffer[ bufferIndex++ ] & 0xFF ) > 0;

        bufferIndex += 8;
        this.extFileAttributes = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.allocationSize = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.fileType = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;

     * @param flags
     */
    public AvFlags ( int flags ) {
        this(encode(flags));
    }


    /**
     * 
     * @return flags
     */
    public int getFlags () {
        return SMBUtil.readInt4(this.getRaw(), 0);
    }


    private static byte[] encode ( int flags ) {
        byte[] raw = new byte[4];
        SMBUtil.writeInt4(flags, raw, 0);
        return raw;
    }

        bufferIndex += 16;

        this.capabilities = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        this.maxTransactSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.maxReadSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.maxWriteSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;