CI_MRU
REJCISHORT(CI_MRU, neg_mru, go->mru);
case CI_MRU:
PUTCHAR(CI_MRU, nakp);
case CI_MRU:
ADDCISHORT(CI_MRU, go->neg_mru && go->mru != DEFMRU, go->mru);
ACKCISHORT(CI_MRU, go->neg_mru && go->mru != DEFMRU, go->mru);
NAKCISHORT(CI_MRU, neg_mru,
case CI_MRU: