TS_ZOMBIE
#define tty_gone(tp) ((tp->t_state) & (TS_ZOMBIE))
tp2->t_state |= TS_ZOMBIE;
CLR(tp->t_state, TS_ZOMBIE);
!ISSET(tp->t_state, TS_ZOMBIE))
if (ISSET(tp->t_state, TS_ZOMBIE)) {
if (ISSET(tp->t_state, TS_ZOMBIE)) {
SET(tp->t_state, TS_ZOMBIE);
if (!ISSET(tp->t_state, TS_ZOMBIE))
if (ISSET(tp->t_state, TS_ZOMBIE)) {
if (ISSET(tp->t_state, TS_ZOMBIE)) {
tp->t_state &= ~TS_ZOMBIE;
tp->t_state &= ~TS_ZOMBIE;
tp->t_state |= TS_ZOMBIE;
if ((tp->t_state & TS_ZOMBIE) || (pti->pt_flags & PF_SCLOSED)) {
if (tp->t_state & TS_ZOMBIE) {
#ifdef TS_ZOMBIE
{ TS_ZOMBIE, 'Z'},