Symbol: KBRELKBD
sys/dev/misc/kbdmux/kbdmux.c
951
case KBRELKBD: /* release keyboard from the mux */
sys/dev/misc/syscons/syscons.c
1520
case KBRELKBD:
usr.sbin/kbdcontrol/kbdcontrol.c
1136
mux_keyboard((opt == 'A')? KBRELKBD : KBADDKBD, optarg);