Symbol: ttnread
sys/kern/tty.c
106
static int ttnread(struct tty *);
sys/kern/tty.c
1102
*(int *)data = ttnread(tp);
sys/kern/tty.c
1556
if (ttnread(tp) > 0)
sys/kern/tty.c
1600
kn->kn_data = ttnread(tp);