#define HMD_DLL_EXPORT extern "C" __declspec( dllexport )
HMD_DLL_EXPORT 
void *HmdDriverFactory( const char *pInterfaceName, int *pReturnCode )
{
	if( 0 == strcmp( IServerTrackedDeviceProvider_Version, pInterfaceName ) )
	{
		return <global for server driver provider>;
	}
	if( 0 == strcmp( IVRWatchdogProvider_Version, pInterfaceName ) )
	{
		return <global for watchdog driver>;
	}
	if( pReturnCode )
		*pReturnCode = HmdError_Init_InterfaceNotFound;
	return NULL;
}