@ stub DIFXAPISetLogCallbackA
@ stub DIFXAPISetLogCallbackW
@ stub DriverPackageGetPathA
@ stub DriverPackageGetPathW
@ stub DriverPackageInstallA
@ stub DriverPackageInstallW
@ stdcall DriverPackagePreinstallA(str long)
@ stdcall DriverPackagePreinstallW(wstr long)
@ stub DriverPackageUninstallA
@ stub DriverPackageUninstallW