krb5_auth_con_setremotesubkey
krb5_auth_con_setremotesubkey (context, ac, &keyblock);
krb5_auth_con_setremotesubkey (
return krb5_auth_con_setremotesubkey(context, auth_context, keyblock);
krb5_auth_con_setremotesubkey(context, auth_context, (*repl)->subkey);
ret = krb5_auth_con_setremotesubkey(context, ac,