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 ;