TF_NOPUSH
(tp->t_flags & TF_NOPUSH) == 0) {
(tp->t_flags & TF_NOPUSH) == 0) {
(tp->t_flags & TF_NOPUSH) == 0) {
} else if (tp->t_flags & TF_NOPUSH) {
(TF_LRD|TF_NOPUSH|TF_NODELAY);
tp->t_flags |= TF_NOPUSH;
else if (tp->t_flags & TF_NOPUSH) {
tp->t_flags &= ~TF_NOPUSH;
optval = tp->t_flags & TF_NOPUSH;