CHALLENGE
CHALLENGE) != NULL ||
msg = negoex_locate_exchange_message(messages, nmessages, CHALLENGE);
type = ctx->initiate ? AP_REQUEST : CHALLENGE;
else if (type == CHALLENGE)
else if (type == CHALLENGE)
msg->type == CHALLENGE || msg->type == AP_REQUEST) {
type == CHALLENGE || type == AP_REQUEST) {
type == CHALLENGE || type == AP_REQUEST)