PCSCREDX
ctlp->cmd = PCSCREDX;
case PCSCREDX:
error = pr_scred(p, prcred, cr, cmd == PCSCREDX);
{ PCSCREDX, sizeof (prcred_t), NULL,
case PCSCREDX:
error = pr_scred(p, &argp->prcred, cr, cmd == PCSCREDX);
{ PCSCREDX, sizeof (prcred32_t), NULL,