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Date:      Mon, 18 Feb 2008 17:30:00 -0600
From:      Tim Daneliuk <tundra@tundraware.com>
To:        Gary Kline <kline@thought.org>
Cc:        FreeBSD Mailing List <freebsd-questions@freebsd.org>
Subject:   Re: is there an easier way?
Message-ID:  <47BA14F8.4060109@tundraware.com>
In-Reply-To: <47BA1375.2010108@tundraware.com>
References:  <20080218230351.GA28000@thought.org> <47BA1375.2010108@tundraware.com>

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Tim Daneliuk wrote:
> Gary Kline wrote:
>>     To my fellow C nerds,
>>
>>     It's been a  great manny years since I wrote this appended
>>     snippet.  Now I can't remember why (of if ) I need all the
>>     strcpy() calls.   Is there a simpler, more logical way of 
>>     printing a bunch of string by snipping off the left-most?
>>
>>     In short,, can anyone 'splain why strtok needs all this?
>>
>>     tia,
>>
>>     gary
>>
>>
> 
> I don't think you need the copies.  This works just as well:
> 
> #include <stdio.h>
> #include <string.h>
> 
> main()
> {
>   char *bp, *tok;
>   char *delim=" ", s1[256]="abc def ghi jkl mno.";
> 
>   bp = s1;   /* Now both point to the literal string to be tokenized */
> 
>   while ((tok = strtok(bp, delim)) != NULL)
>   {
>     bp = NULL;
>     printf("tok = [%s]\n", tok);
>   }
> }
> 


Ooops ... wasn't paying attention.  While the printed output is the same, doing
it this way is destructive to the original s1 string - which may matter (or not)...



-- 
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Tim Daneliuk     tundra@tundraware.com
PGP Key:         http://www.tundraware.com/PGP/




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