kauth_uucred_to_cred
kauth_uucred_to_cred(np->netc_anon, &argp->ex_anon);
kauth_uucred_to_cred(np->netc_anon, &argp->ex_anon);
kauth_uucred_to_cred(nuidp->nu_cr,
void kauth_uucred_to_cred(kauth_cred_t, const struct uucred *);