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From: gwyn@brl-smoke.ARPA (Doug Gwyn )
Newsgroups: net.unix-wizards
Subject: Re: cbreak problem
Message-ID: <773@brl-smoke.ARPA>
Date: Sun, 9-Feb-86 06:39:27 EST
Article-I.D.: brl-smok.773
Posted: Sun Feb  9 06:39:27 1986
Date-Received: Tue, 11-Feb-86 06:35:41 EST
References: <299@ucbjade.BERKELEY.EDU>
Reply-To: gwyn@brl.ARPA
Organization: /usr/local/lib/news/organization
Lines: 12

In article <299@ucbjade.BERKELEY.EDU> cnrdean@ucbtopaz.BERKELEY.EDU () writes:
>I am porting a program on to a Berkeley 4.2  Vax, and I'm having
>trouble with my cbreak mode:  I need to process characters as they come
>in.  My problem is that when I try to print the characters, they don't
>get printed at the point that I request them to, unless I put a fflush
>in.  I thought that when I was in cbreak mode, putchar() would show up
>immediately, without fflushing.

No, STDIO does not pay attention to the terminal mode.
By default, output to a terminal (except stderr) will
be line-buffered.  You can override this by invoking
setbuf(stdout,(char *)NULL) before doing any output.