Symbol: STBNULL
usr/src/cmd/bnu/line.c
520
(void) (*Ioctl)(tty, TIOCHPCL, STBNULL);
usr/src/cmd/bnu/line.c
521
(void) (*Ioctl)(tty, TIOCEXCL, STBNULL);
usr/src/cmd/bnu/line.c
529
(void) (*Ioctl)(dcf, TIOCHPCL, STBNULL);