checkData();
        return groupName;
    }

/** 
 * Checks the node type of this address.
 * @return {@link jcifs.smb1.netbios.NbtAddress#B_NODE},
 * {@link jcifs.smb1.netbios.NbtAddress#P_NODE}, {@link jcifs.smb1.netbios.NbtAddress#M_NODE},
 * {@link jcifs.smb1.netbios.NbtAddress#H_NODE}
 *
 * @throws UnknownHostException if the host cannot be resolved to find out.
 */ 

 *
 * <pre>
 * 
 * InetAddress addr = NbtAddress.getByName("jmorris2").getInetAddress();
 * </pre>
 * <p>
 * From a UNIX platform with Samba installed you can perform similar
 * diagnostics using the <code>nmblookup</code> utility.
 *
 * @author Michael B. Allen
 * @see java.net.InetAddress
 * @since jcifs-0.1
 */

public final class NbtAddress implements NetbiosAddress {

    /**

     * Checks the node type of this address.
     * 
     * @param tc
     *            context to use
     * @return {@link jcifs.netbios.NbtAddress#B_NODE},
     *         {@link jcifs.netbios.NbtAddress#P_NODE}, {@link jcifs.netbios.NbtAddress#M_NODE},
     *         {@link jcifs.netbios.NbtAddress#H_NODE}
     *
     * @throws UnknownHostException
     *             if the host cannot be resolved to find out.
     */

     * @param tc
     * @return resolved name, null if not found
     */
    public synchronized NbtAddress getByName ( String host, CIFSContext tc ) {
        return getByName(new Name(tc.getConfig(), host, 0x20, null), tc);
    }


    synchronized NbtAddress getByName ( Name name, CIFSContext tc ) {
        NbtAddress result = null;

        try {
            if ( tc.getConfig().getLmHostsFileName() != null ) {

        }
        int addr = readInt4( buffer, bufferIndex );
        bufferIndex += 4;
        retargetAddress = new NbtAddress( null, addr, false, NbtAddress.B_NODE );
        retargetPort = readInt2( buffer, bufferIndex );
        return length;
    }

    public String nextCalledName() {
        if( addr instanceof NbtAddress ) {
            return ((NbtAddress)addr).nextCalledName();
        } else if( calledName != NbtAddress.SMBSERVER_NAME ) {
            calledName = NbtAddress.SMBSERVER_NAME;
            return calledName;
        }
        return null;
    }

    /**
     * Return the underlying <tt>NbtAddress</tt> or <tt>InetAddress</tt>.
     */

    private NbtAddress queryAddress;

    private int numberOfNames;
    private byte[] macAddress;
    private byte[] stats;

    NbtAddress[] addressArray;

    /* It is a little awkward but prudent to pass the quering address
     * so that it may be included in the list of results. IOW we do
     * not want to create a new NbtAddress object for this particular

     */
    @Override
    public String nextCalledName ( CIFSContext tc ) {
        if ( this.addr instanceof NbtAddress ) {
            return ( (NbtAddress) this.addr ).nextCalledName(tc);
        }
        else if ( this.calledName != NbtAddress.SMBSERVER_NAME ) {
            this.calledName = NbtAddress.SMBSERVER_NAME;
            return this.calledName;
        }
        return null;
    }


    /**

            NbtAddress.B_NODE,
            false,
            false,
            true,
            false,
            UNKNOWN_MAC_ADDRESS);
        cacheAddress(localName, this.localhostAddress, SmbConstants.FOREVER);
    }


    NbtAddress doNameQuery ( Name name, InetAddress svr ) throws UnknownHostException {
        NbtAddress addr;

        if ( name.hexCode == 0x1d && svr == null ) {

    private NbtAddress queryAddress;

    private int numberOfNames;
    private byte[] macAddress;
    private byte[] stats;

    NbtAddress[] addressArray;


    /*
     * It is a little awkward but prudent to pass the quering address
     * so that it may be included in the list of results. IOW we do
     * not want to create a new NbtAddress object for this particular