Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!usc!rutgers!njin!princeton!phoenix!tbrakitz
From: tbrakitz@phoenix.Princeton.EDU (Triantaphyllos Byron Rakitzis)
Newsgroups: comp.lang.c
Subject: Re: A question of style
Message-ID: <11874@phoenix.Princeton.EDU>
Date: 2 Dec 89 08:03:34 GMT
References: <547@mars.Morgan.COM> <1989Nov30.001947.14883@aqdata.uucp> <427@jhereg.Minnetech.MN.ORG>
Organization: Princeton University, NJ
Lines: 29
In-reply-to: mark@jhereg.Minnetech.MN.ORG's message of 1 Dec 89 14:56:17 GMT


>>while (c = getchar(), c != EOF)
>>{
>
>The code above could be written as 
>
>	while (c = getchar && c  != EOF) { 
	
Mark H. Colburn                       mark@Minnetech.MN.ORG
Open Systems Architects, Inc.


No!! What if getchar returns the null character? Then this test fails.
The usual C syntax for the above statement is

       while ((c = getchar()) != EOF)
            {

              blah blah;


Okay?


-- 
"C Code."
	  "C Code run."
			"Run, Code, run!"
Byron Rakitzis. (tbrakitz@phoenix.princeton.edu ---- tbrakitz@pucc.bitnet)