Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!mcsun!hp4nl!cwi.nl!dik
From: dik@cwi.nl (Dik T. Winter)
Newsgroups: comp.binaries.ibm.pc.d
Subject: Re: ALED goes to the wastebasket here in Iceland
Message-ID: <3744@charon.cwi.nl>
Date: 19 Jun 91 23:28:42 GMT
References: <3269@krafla.rhi.hi.is> <1991Jun19.075229.3021@rci.dk> <a_rubin.677348028@dn71>
Sender: news@cwi.nl
Organization: CWI, Amsterdam
Lines: 19

In article <a_rubin.677348028@dn71> a_rubin@dsg4.dse.beckman.com (Arthur Rubin) writes:
 > In <1991Jun19.075229.3021@rci.dk> ej@rci.dk (Erik W. Jeppesen) writes:
 > >>	c = getchar();			/* notice this, no masking of the
 > >And remember:
 > >        unsigned char c;
 > >to avoid problems with code like the following:
 > >        if (c < 32) {
 > >           /* control character */
 > >           ...
 > >        }
 > Actually, it should be:
 >          int c;
 > as getchar can return EOF, which is usually -1.
And also:
	if ((unsigned) c < 32) {
...
--
dik t. winter, cwi, amsterdam, nederland
dik@cwi.nl