sbin/slattach/slattach.c

212

if (!(comstate & TIOCM_CD)) { /* check for carrier */

sbin/slattach/slattach.c

479

if (!(comstate & TIOCM_CD)) { /* check for carrier */

sbin/slattach/slattach.c

502

if (comstate & TIOCM_CD)

sbin/startslip/startslip.c

561

return !!(comstate & TIOCM_CD);

sys/bus/u4b/serial/usb_serial.c

1263

SET(rbits, TIOCM_CD);

sys/bus/u4b/serial/usb_serial.c

1289

if (ISSET(bits, TIOCM_CD)) {

sys/dev/serial/sio/sio.c

2657

bits |= TIOCM_CD;

usr.sbin/ppp/tty.c

143

dev->mbits = TIOCM_CD;

usr.sbin/ppp/tty.c

160

dev->mbits = TIOCM_CD; /* Dodgy null-modem cable ? */

usr.sbin/ppp/tty.c

173

if (change & TIOCM_CD) {

usr.sbin/ppp/tty.c

174

if (dev->mbits & TIOCM_CD)

usr.sbin/ppp/tty.c

93

#define Online(dev) ((dev)->mbits & TIOCM_CD)