TF_RXWIN0SENT
(tp->t_flags & TF_RXWIN0SENT) == 0) && \
tp->t_flags |= TF_RXWIN0SENT;
tp->t_flags &= ~TF_RXWIN0SENT;
tp->t_flags |= TF_RXWIN0SENT;
tp->t_flags &= ~TF_RXWIN0SENT;
(((tp->t_flags & TF_RXWIN0SENT) == 0) && \
tp->t_flags |= TF_RXWIN0SENT;
tp->t_flags &= ~TF_RXWIN0SENT;
tp->t_flags |= TF_RXWIN0SENT;
tp->t_flags &= ~TF_RXWIN0SENT;
tp->t_flags |= TF_RXWIN0SENT;
tp->t_flags &= ~TF_RXWIN0SENT;
(((tp->t_flags & TF_RXWIN0SENT) == 0) && \