DCD
(INB(MSR) & DCD))
if ((msr & DCD) == 0)
} else if (msr & DCD) {
(msr & DCD) ? "DCD" : " ");
if ((val & DCD) || (tp->t_flags & TS_SOFTCAR)) {
if (msr_r & DCD)
b |= DCD;
#define STATES(x) ((x)(CTS|DSR|RI|DCD))