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From: guy@rlgvax.UUCP (Guy Harris)
Newsgroups: net.unix,net.sources.bugs
Subject: Re: CBREAK translation (HACKers, note)
Message-ID: <588@rlgvax.UUCP>
Date: Fri, 22-Mar-85 04:28:57 EST
Article-I.D.: rlgvax.588
Posted: Fri Mar 22 04:28:57 1985
Date-Received: Sat, 23-Mar-85 03:14:40 EST
References: <1078@ihuxe.UUCP>
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Organization: CCI Office Systems Group, Reston, VA
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Xref: watmath net.unix:4008 net.sources.bugs:267

> I noticed some discussion of the "Berkleyism" CBREAK, recently. ...
> In the new arrangement of terminal controls, the matters of canonical input
> and signal interception are controlled by separate flags. Thus, the 
> equivalent of CBREAK seems to be:
> 
> 	(ISIG | ~ICANON)

This is correct.  CBREAK in the V7 terminal driver (and in the enhanced V7
driver that comes with Berkeley systems) is, in effect, the negation of ICANON
in the System III/V terminal driver.