CET_WRITE_REQUEST
result = send_credentials(connection, CET_WRITE_REQUEST);
case CET_WRITE_REQUEST:
assert(element->type == CET_WRITE_REQUEST);
case CET_WRITE_REQUEST:
(elem_type != CET_WRITE_REQUEST) &&
case CET_WRITE_REQUEST:
case CET_WRITE_REQUEST:
init_comm_element(&qstate->request, CET_WRITE_REQUEST);