Symbol: NGM_TTY_COOKIE
sys/netgraph/tty/ng_tty.c
610
case NGM_TTY_COOKIE:
sys/netgraph7/tty/ng_tty.c
624
case NGM_TTY_COOKIE:
usr.sbin/ppp/tty.c
320
if (NgSendMsg(cs, ttypath, NGM_TTY_COOKIE,