prcred32_t
ASSERT(sizeof (prcred_t) == sizeof (prcred32_t));
prcred32_t prcred; /* PCSCRED */
const prcred32_t *cred = datap;
{ PCSCRED, sizeof (prcred32_t), NULL, NULL },
{ PCSCREDX, sizeof (prcred32_t), NULL,