Function tty_checkoutq

components/lwp/terminal/freebsd/tty.c:1400–1404

}

int tty_checkoutq(struct lwp_tty *tp)
{
    /* 256 bytes should be enough to print a log message. */
    return (ttyoutq_bytesleft(&tp->t_outq) >= 256);
}

void tty_hiwat_in_block(struct lwp_tty *tp)
{