k5_marshal_princ
k5_marshal_princ(struct k5buf *buf, int version, krb5_principal princ);
k5_marshal_princ(buf, version, princ);
k5_marshal_princ(&req.reqbuf, 4, princ);
k5_marshal_princ(&req.reqbuf, 4, princ);
k5_marshal_princ(&buf, 4, princ);
k5_marshal_princ(buf, version, creds->client);
k5_marshal_princ(buf, version, creds->server);
k5_marshal_princ(buf, version, mcred->client);
k5_marshal_princ(buf, version, mcred->server);
k5_marshal_princ(&buf, version, princ);