shutdownHookList.add(hook);
    }

    public String getHostname() {
        final Map<String, String> env = getEnvMap();
        if (env.containsKey("COMPUTERNAME")) {
            return env.get("COMPUTERNAME");
        }
        if (env.containsKey("HOSTNAME")) {
            return env.get("HOSTNAME");
        }
        try {
            return InetAddress.getLocalHost().getHostAddress();

	if err != nil {
		return err
	}
	to, err := UTF16PtrFromString(newpath)
	if err != nil {
		return err
	}
	return MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING)
}

func ComputerName() (name string, err error) {
	var n uint32 = MAX_COMPUTERNAME_LENGTH + 1
	b := make([]uint16, n)
	e := GetComputerName(&b[0], &n)
	if e != nil {
		return "", e
	}
	return string(utf16.Decode(b[0:n])), nil