Symbol: WSMUX_ADD_DEVICE
sys/dev/wscons/wsdisplay.c
1580
return wsevsrc_ioctl(inp, WSMUX_ADD_DEVICE,
usr.sbin/wsconscfg/wsconscfg.c
144
if (ioctl(wsfd, WSMUX_ADD_DEVICE, &wmd) == -1)