krb5_get_all_client_addrs
ret = krb5_get_all_client_addrs (context, &cred.addresses);
krb5_get_all_client_addrs(context, &addresses);
ret = krb5_get_all_client_addrs (context, a->req_body.addresses);
ret = krb5_get_all_client_addrs (context, a->req_body.addresses);
krb5_get_all_client_addrs (
ret = krb5_get_all_client_addrs (context, &addrs);