PFNVSDENTRY

Pointer to a VSDEntry routine.

typedef FNVSDENTRY *PFNVSDENTRY;

In the header file, this is a two-part definition as shown below:

typedef ULONG (APIENTRY FNVSDENTRY) (HVSD hvsd, ULONG ulFunc,
                                     ULONG ulFlags, PVOID pParms);
typedef FNVSDENTRY * PFNVSDENTRY;