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From: vallor <vallor@cultnix.org>
Newsgroups: comp.os.linux.advocacy
Subject: Re: OT programming challenge: fastest/best/shortest C program to
jumble a sentence, then restore it
Date: Sat, 9 Mar 2024 03:01:37 -0000 (UTC)
Organization: A noiseless patient Spider
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On 9 Mar 2024 02:48:10 GMT, rbowman <bowman@montana.com> wrote in
<l520v9FqgibU5@mid.individual.net>:
> On Fri, 8 Mar 2024 15:22:06 -0500, DFS wrote:
>
>> FYI:
>
> Obviously you didn't put it back together after word wrap broke it up.
>
> gcc -pedantic -Wall -Wcast-qual -Wmissing-prototypes -Wshadow shuffle.c
> - o shuffle
>
> runs with no errors or warnings. If you throw in -std=c99
>
> gcc -std=c99 shuffle.c -o shuffle shuffle.c: In function ‘main’:
> shuffle.c:8:22: warning: implicit declaration of function ‘strdup’; did
> you mean ‘strcmp’? [-Wimplicit-function-declaration]
> 8 | char* sentence = strdup("Once you try it, you'll see it
> doesn't need spice.");
> | ^~~~~~
> | strcmp
> shuffle.c:8:22: warning: initialization of ‘char *’ from ‘int’ makes
> pointer from integer without a cast [-Wint-conversion]
>
> Why? you might ask? ISO C99 doesn't include strdup although it's strange
> it pulls strcmp out of its ass.
What about:
char sentence[] = "Once you try it, you'll see it doesn't need spice.";
?
>
> gcc -std=gnu99 shuffle.c -o shuffle
>
> works fine.
--
-v