ttyinq_write
ret = ttyinq_write(ti, buf, nbytes, quote);
ret = ttyinq_write(&tp->t_inq, buf, len, 0);
ttyinq_write(&tp->t_inq, bytes,
ttyinq_write(&tp->t_inq, bytes,
size_t ttyinq_write(struct ttyinq *ti, const void *buf, size_t len,