TADDRBUSY
t_errno = TADDRBUSY;
if (_T_IS_TLI(api_semantics) && t_errno == TADDRBUSY)
return (-TADDRBUSY);
return (-TADDRBUSY);
rds_err_ack(q, mp, TADDRBUSY, 0);
tli_err = TADDRBUSY;
tli_err = TADDRBUSY;