From:	mpersico AT erols DOT com (Matthew O. Persico)
Subject:	Re: some unusual errors
20 Sep 1998 09:47:04 -0700 :
Message-ID:	<360479DF.EBF9EA17.cygnus.gnu-win32@erols.com>
References:	<199809182005 DOT QAA03634 AT venus DOT solidum DOT com>
Mime-Version:	1.0
To:	Michael Richardson <mcr AT solidum DOT com>
Cc:	gnu-win32 AT cygnus DOT com

Michael Richardson wrote:
> 
> I get a lot of warnings like this:
> 
> strtod.c:1239: warning: subscript has type `char'
> 
>   This line of code is actually:
> 
>         for(s = s00; isspace(*s); s++)
> 
>   which confuses me. What, if not "char" should isspace() take???
> 
int. In the bad old days (pre-ANSI) ints and chars swapped positions
more often than Clinton does, apparently. Try this (UNTESTED!)

for(s = s00; isspace((int)*s); s++)

You could have found this out a lot faster from any good 'C' book, esp
K&R. 

-- 
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