(void) sprintf(u_challenge, inst->chal_prompt, challenge);
pairadd(&request->reply->vps,
pairmake("Reply-Message", u_challenge, T_OP_EQ));
(void) sprintf(u_challenge, inst->chal_prompt, challenge);
pairadd(&request->reply->vps,
pairmake("Reply-Message", u_challenge, T_OP_EQ));