// if SMB 3.11 support negotiateContextOffset/negotiateContextCount
        int negotitateContextOffsetOffset = 0;
        if ( this.negotiateContexts == null || this.negotiateContexts.length == 0 ) {
            SMBUtil.writeInt8(0, dst, dstIndex);
        }
        else {
            negotitateContextOffsetOffset = dstIndex;
            SMBUtil.writeInt2(this.negotiateContexts.length, dst, dstIndex + 4);

        dstIndex += 4;
        SMBUtil.writeInt4(this.rootDirectoryFid, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt4(this.desiredAccess, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt8(this.allocationSize, dst, dstIndex);
        dstIndex += 8;
        SMBUtil.writeInt4(this.extFileAttributes, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt4(this.shareAccess, dst, dstIndex);

    }
    static long readInt8( byte[] src, int srcIndex ) {
        return (readInt4( src, srcIndex ) & 0xFFFFFFFFL) +
            ((long)(readInt4( src, srcIndex + 4 )) << 32);
    }
    static void writeInt8( long val, byte[] dst, int dstIndex ) {
        dst[dstIndex] = (byte)(val);
        dst[++dstIndex] = (byte)(val >>= 8);
        dst[++dstIndex] = (byte)(val >>= 8);
        dst[++dstIndex] = (byte)(val >>= 8);

        dst[ dstIndex + 3 ] = this.requestedOplockLevel;
        dstIndex += 4;

        SMBUtil.writeInt4(this.impersonationLevel, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt8(this.smbCreateFlags, dst, dstIndex);
        dstIndex += 8;
        dstIndex += 8; // Reserved

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