Symbol: UCDC_N_SERIAL_DSR
sys/dev/usb/uhso.c
1343
if (ISSET(msg->data[0], UCDC_N_SERIAL_DSR))
sys/dev/usb/umodem_common.c
386
if (ISSET(mstatus, UCDC_N_SERIAL_DSR))
sys/dev/usb/uplcom.c
950
if (ISSET(pstatus, UCDC_N_SERIAL_DSR))