* Samba or WINS. NetBIOS is currently the primary networking layer for
 * providing name service, datagram service, and session service to the
 * Microsoft Windows platform. A NetBIOS name can be 15 characters long
 * and hosts usually registers several names on the network. From a
 * Windows command prompt you can see
 * what names a host registers with the nbtstat command.
 * <p>
 * <blockquote>
 * 
 * <pre>

        calledName = hostName.name;

        if( Character.isDigit( calledName.charAt( 0 ))) {
            int i, len, dots;
            char[] data;

            i = dots = 0;                    /* quick IP address validation */
            len = calledName.length();
            data = calledName.toCharArray();
            while( i < len && Character.isDigit( data[i++] )) {
                if( i == len && dots == 3 ) {

                String server = authorityServerName;
                int dot = server.indexOf('.');
                if ( dot > 0 && Character.isDigit(server.charAt(0)) == false )
                    server = server.substring(0, dot);
                try ( LsaPolicyHandle policyHandle = new LsaPolicyHandle(handle, "\\\\" + server, 0x00000800) ) {

    static boolean isDotQuadIP( String hostname ) {
        if( Character.isDigit( hostname.charAt( 0 ))) {
            int i, len, dots;
            char[] data;

            i = dots = 0;                    /* quick IP address validation */
            len = hostname.length();
            data = hostname.toCharArray();
            while( i < len && Character.isDigit( data[i++] )) {
                if( i == len && dots == 3 ) {

     */
    public static boolean isDotQuadIP ( String hostname ) {
        if ( Character.isDigit(hostname.charAt(0)) ) {
            int i, len, dots;
            char[] data;

            i = dots = 0; /* quick IP address validation */
            len = hostname.length();
            data = hostname.toCharArray();
            while ( i < len && Character.isDigit(data[ i++ ]) ) {
                if ( i == len && dots == 3 ) {

                    }
                    ip = ( ip << 8 ) + b;
                }
                while ( i < data.length && Character.isWhitespace(data[ i ]) ) {
                    i++;
                }
                j = i;
                while ( j < data.length && Character.isWhitespace(data[ j ]) == false ) {
                    j++;
                }

                    break;
                }
                c[ci++] = ' ';
                i = src[srcIndex + si] & 0xFF;
                toHexChars( i, c, ci, 2 );
                ci += 2; 
                if( i < 0 || Character.isISOControl( (char)i )) {
                    d[si % 16] = '.';
                } else {
                    d[si % 16] = (char)i;
                }
            } while(( ++si % 16 ) != 0 );
            c[ci++] = ' ';

                    }
                    ip = ( ip << 8 ) + b;
                }
                while( i < data.length && Character.isWhitespace( data[i] )) {
                    i++;
                }
                j = i;
                while( j < data.length && Character.isWhitespace( data[j] ) == false ) {
                    j++;
                }

        if ( host == null || host.length() == 0 ) {
            return getLocalHost();
        }

        Name name = new Name(this.transportContext.getConfig(), host, type, scope);
        if ( !Character.isDigit(host.charAt(0)) ) {
            return doNameQuery(name, svr);
        }

        int IP = 0x00;
        int hitDots = 0;
        char[] data = host.toCharArray();

            String server = handle.getServerWithDfs();
            int dot = server.indexOf('.');
            if ( dot > 0 && Character.isDigit(server.charAt(0)) == false )
                server = server.substring(0, dot);

            try ( LsaPolicyHandle policyHandle = new LsaPolicyHandle(handle, "\\\\" + server, 0x00000800) ) {