From: "Robin Y. Millette" <millette AT bigfoot DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Newbie Question (variable dec.)
Date: Mon, 15 Feb 1999 10:09:11 GMT
Organization: Waglo Institution
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References: <36c399d2 DOT 18754602 AT news DOT okstate DOT edu> <36C7320E DOT FB4111F9 AT lycosmail DOT com>
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

In article <36C7320E DOT FB4111F9 AT lycosmail DOT com>,
  djgpp AT delorie DOT com wrote:
> I don't know why this happens, but I do have to say that I do that kind
> of thing often (in C++ mind you). Q, do you have optimizations on?? That
> _might_ to it.

> Carl Marg wrote:
>
> > I'm using DJGPP, and I've noticed that it will not allow me to
> > declare variable in the middle of code, i.e
> > what I'm wondering is this just a part of standard C,
> > is there some option that will change this?

In C++, you can declare variables anywhere in your code, preferably near
first use. In C, it must be before any function in that block. Thus, you
could have something like this, although I've never seen it in real code, and
I'm not sure what the compiler does with it:

int main(void)
{
    int x;
    for (x=0; x<10; ++x)
        printf("%3d", x);
    {
        int y;
        for (y=0; y<10; ++y)
            printf("%3d", y);
    }


    return 0;
}


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