TS_CARD
td->td_status = TS_CARD;
if ((td->td_status & TS_CARD) == 0) {
td->td_status |= TS_CARD;
if ((td->td_status & TS_CARD) != 0) {
td->td_status &= ~TS_CARD;
if ((sockstat & TS_CARD) == 0) {