DD_FUN
case DD_FUN:
tp->t_dt = DD_FUN;
case DD_FUN:
return (tp && (tp->t_dt == DD_FUN));
assert(tp->t_dt == DD_FUN);
assert(tp->t_dt == DD_FUN);
assert(tp->t_dt == DD_FUN);
return (tp && (tp->t_dt == DD_FUN));
(tp->t_next->t_dt == DD_FUN))) {
case DD_FUN:
while (tp->t_dt != DD_FUN)
case DD_FUN: