krad_packet_encode
krad_packet_encode(const krad_packet *pkt);
tmp = krad_packet_encode(r->request);
r->sent == krad_packet_encode(req)->length) {
request = krad_packet_encode(rqst);
encpkt = krad_packet_encode(packets[ACCEPT_PACKET]);
encpkt = krad_packet_encode(packets[REJECT_PACKET]);