if (!isDigits(s)) {
            return null;
        }

        try {
            long longValue = Long.parseLong(s);
            if (longValue > Integer.MAX_VALUE) {
                return null;
            }
            return (int) longValue;
        } catch (NumberFormatException e) {
            // should never happen since checked isDigits(s) before
            return null;

        }
    }

    private static Item parseItem(boolean isDigit, String buf) {
        return parseItem(false, isDigit, buf);
    }

    private static Item parseItem(boolean isCombination, boolean isDigit, String buf) {
        if (isCombination) {
            return new CombinationItem(buf.replace("-", ""));
        } else if (isDigit) {
            buf = stripLeadingZeroes(buf);

    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 ) {

                    throw new IOException("no lmhosts alternate includes loaded");
                }
            }
            else if ( Character.isDigit(line.charAt(0)) ) {
                char[] data = line.toCharArray();
                int ip, i, j;
                Name name;
                NbtAddress addr;
                char c;

                c = '.';

    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 ) {

            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) ) {

                    alt--;
                    throw new IOException( "no lmhosts alternate includes loaded" );
                }
            } else if( Character.isDigit( line.charAt( 0 ))) {
                char[] data = line.toCharArray();
                int ip, i, j;
                Name name;
                NbtAddress addr;
                char c;

        this.calledName = this.hostName.name;

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

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

        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 ) {

        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();