err, sorry. that should be ntddk.h and not winddk.h ;0)

>"Umtypes is only included for user-mode, not for drivers."
>
>ketypes.h imports umtypes.h --
>
>#include <umtypes.h>
>#ifndef NTOS_MODE_USER
>#include <haltypes.h>
>#include <potypes.h>
>#include <ifssupp.h>
>#endif
>
>"Drivers do not import winnt.h"
>they (still) do in ros as winddk.h imports winnt.h...