String GetEnv(const char *id)
{
#if defined(PLATFORM_WIN32)
	if (IsWinNT()) {
		WStringBuffer temp(32767);
		WString varname(id);
		int len = GetEnvironmentVariableW(varname, temp, 32766);
		temp.SetLength(len);
		WString value = temp;
		
		WString newval = GetWinRegStringW(varname, L"SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment", HKEY_LOCAL_MACHINE);
		if (!newval.IsVoid()) 
			value = newval;
			
		newval = GetWinRegStringW(varname, L"Environment", HKEY_CURRENT_USER);
		if (!newval.IsVoid()) 
			value = newval;
		
		return value.ToString();
	}
	else
		return FromSystemCharset(getenv(id));
#else
	return FromSystemCharset(getenv(id));
#endif
}