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From: guy@rlgvax.UUCP (Guy Harris)
Newsgroups: net.unix-wizards
Subject: Re: getc() != EOF
Message-ID: <1970@rlgvax.UUCP>
Date: Thu, 31-May-84 18:21:34 EDT
Article-I.D.: rlgvax.1970
Posted: Thu May 31 18:21:34 1984
Date-Received: Sat, 2-Jun-84 11:14:45 EDT
References: <30@utastro.UUCP> <307@basser.SUN> <7301@umcp-cs.UUCP>
Organization: CCI Office Systems Group, Reston, VA
Lines: 12

> (Now if you state that all {\it civlized} compilers default to signed
> characters and allow {\tt unsigned char} datatypes, I will agree.)

Well, on some machines supporting signed characters is painful; if the
machine's byte manipulation instructions don't extend the sign bit, a
program with "char" could involve more instructions than one involving
"unsigned char".  (Always using "unsigned char" isn't a fix, either; on
some machines (like the PDP-11), "unsigned char" requires more code than
"char".)  (Our machines all have signed characters, by the way.)

	Guy Harris
	{seismo,ihnp4,allegra}!rlgvax!guy