// Verify structure size (should be 24)
        assertEquals(24, SMBUtil.readInt2(buffer, offset));

        // Verify Reserved1 (2 bytes at offset+2, should be 0)
        assertEquals(0, SMBUtil.readInt2(buffer, offset + 2));

        // Verify Reserved2 (4 bytes at offset+4, should be 0)
        assertEquals(0, SMBUtil.readInt4(buffer, offset + 4));

        dst[dstIndex++] = (byte) (val >> 8 & 0xFF);
        dst[dstIndex] = (byte) (val & 0xFF);
    }

    static int readInt2(final byte[] src, final int srcIndex) {
        return ((src[srcIndex] & 0xFF) << 8) + (src[srcIndex + 1] & 0xFF);
    }

    static int readInt4(final byte[] src, final int srcIndex) {
        return ((src[srcIndex] & 0xFF) << 24) + ((src[srcIndex + 1] & 0xFF) << 16) + ((src[srcIndex + 2] & 0xFF) << 8)

        assertEquals(AvPair.MsvAvFlags, SMBUtil.readInt2(encoded, 0), "First pair type should be MsvAvFlags");
        assertEquals(4, SMBUtil.readInt2(encoded, 2), "First pair length should be 4");

        // Check AvFlags data
        assertEquals(0x12345678, SMBUtil.readInt4(encoded, 4), "Flags value should match");

        // Check EOL
        assertEquals(AvPair.MsvAvEOL, SMBUtil.readInt2(encoded, 8), "Should end with EOL");

        this.allow = buf[bi] == (byte) 0x00;
        bi++;
        this.flags = buf[bi++] & 0xFF;
        final int size = SMBUtil.readInt2(buf, bi);
        bi += 2;
        this.access = SMBUtil.readInt4(buf, bi);
        bi += 4;
        this.sid = new SID(buf, bi);
        return size;
    }

    void appendCol(final StringBuffer sb, final String str, final int width) {

        assertEquals(0x01, dst[descrEnd]);
        assertEquals(0x00, dst[descrEnd + 1]);

        // Verify maxDataCount (16384)
        assertEquals(16384, SMBUtil.readInt2(dst, descrEnd + 2));

        // Verify serverTypes
        assertEquals(serverTypes, SMBUtil.readInt4(dst, descrEnd + 4));

        // Verify domain (should be uppercase)
        int domainStart = descrEnd + 8;

	{
		var zb0002 uint8
		zb0002, err = dc.ReadUint8()
		if err != nil {
			err = msgp.WrapError(err, "Type")
			return
		}
		z.Type = VersionType(zb0002)
	}
	{
		var zb0003 uint8
		zb0003, err = dc.ReadUint8()
		if err != nil {
			err = msgp.WrapError(err, "Flags")
			return
		}
		z.Flags = xlFlags(zb0003)
	}
	z.EcN, err = dc.ReadUint8()
	if err != nil {

            bufferIndex += 2;
            flags = readInt2(buffer, bufferIndex);
            bufferIndex += 2;
            if (version == 3) {
                proximity = readInt2(buffer, bufferIndex);
                bufferIndex += 2;
                ttl = readInt2(buffer, bufferIndex);
                bufferIndex += 2;
                pathOffset = readInt2(buffer, bufferIndex);
                bufferIndex += 2;

        this.errorCode = SMBUtil.readInt4(buffer, bufferIndex + SmbConstants.ERROR_CODE_OFFSET);
        this.flags = buffer[bufferIndex + SmbConstants.FLAGS_OFFSET];
        this.flags2 = SMBUtil.readInt2(buffer, bufferIndex + SmbConstants.FLAGS_OFFSET + 1);
        this.tid = SMBUtil.readInt2(buffer, bufferIndex + SmbConstants.TID_OFFSET);
        this.pid = SMBUtil.readInt2(buffer, bufferIndex + SmbConstants.TID_OFFSET + 2);

        bufferIndex += 2;
        this.rflags = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        if (this.version == 3) {
            this.proximity = SMBUtil.readInt2(buffer, bufferIndex);
            bufferIndex += 2;
            this.ttl = SMBUtil.readInt2(buffer, bufferIndex);
            bufferIndex += 2;

            final SID groupId = pacStream.readId();

            // Groups information
            final int groupCount = pacStream.readInt();
            final int groupPointer = pacStream.readInt();

            // User flags about PAC Logon Info content
            this.userFlags = pacStream.readInt();
            final boolean hasExtraSids = (this.userFlags & PacConstants.LOGON_EXTRA_SIDS) == PacConstants.LOGON_EXTRA_SIDS;