This strucutre is used for the HK_PLIST_ENTRY hook (see ProgramListEntryHook), and the HK_PLIST_EXIT hook (see ProgramListExitHook).
typedef struct _PRFHOOKPARMS { COUNT4B numbytes; ULONG api; STORAGE apiparms; } PRFHOOKPARMS; typedef PRFHOOKPARMS * PRFHOOKPARMS ;