final Smb2CreateRequest cr = new Smb2CreateRequest(th.getConfig(), getUncPath());
        try {
            cr.setCreateDisposition(createDisposition);
            cr.setCreateOptions(createOptions);
            cr.setFileAttributes(fileAttributes);
            cr.setDesiredAccess(desiredAccess);
            cr.setShareAccess(shareAccess);

		}
		if bytealg.IndexByteString(chars, s[0]) >= 0 {
			return 0
		}
		return -1
	}
	if len(chars) == 1 {
		cr := rune(chars[0])
		if cr >= utf8.RuneSelf {
			cr = utf8.RuneError
		}
		for i := len(s); i > 0; {
			r, size := utf8.DecodeLastRune(s[:i])
			i -= size
			if r == cr {
				return i
			}
		}
		return -1
	}
	for i := len(s); i > 0; {
		r := rune(s[i-1])