From: utzoo!henry
Newsgroups: hacknews
Title: cu hangup sequence changed 
Article-I.D.: utzoo.2299
Posted: Wed Jul 21 19:27:47 1982
Received: Wed Jul 21 19:27:47 1982

Cu(1) has been altered to use TIOCHPCL for all its hangups, instead of
setting speed to 0.  This makes no practical difference to cu and it
bypasses a bug in the dialin/dialout coordination in the DZ driver (the
bug still needs to be fixed, but this makes it less urgent).