k5_internalize_principal
k5_internalize_principal(krb5_principal *argp,
kret = k5_internalize_principal(&princ, &bp, &remain);
kret = k5_internalize_principal(&princ, &bp, &remain);
kret = k5_internalize_principal(&authenticator->client,
check(k5_internalize_principal(&princ2, &bp, &blen));