TF_RCVD_CE        959 netinet/tcp_input.c 		tp->t_flags |= TF_RCVD_CE;
TF_RCVD_CE       1557 netinet/tcp_input.c 			tp->t_flags &= ~TF_RCVD_CE;
TF_RCVD_CE        837 netinet/tcp_output.c 		if (tp->t_flags & TF_RCVD_CE) {