case Z_APDU_presentRequest:
yaz_log (LOG_LOG, "got PresentRequest p=%p", this);
apdu_response = s->create_Z_PDU(Z_APDU_presentResponse);
case Z_APDU_presentRequest:
yaz_log (LOG_LOG, "got PresentRequest p=%p", this);
apdu_response = s->create_Z_PDU(Z_APDU_presentResponse);