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NNTP-Posting-Date: Sun, 16 Dec 2012 09:30:56 -0600
Message-ID: <50CDE932.4B5@mindspring.com>
Date: Sun, 16 Dec 2012 10:30:58 -0500
From: pete <pfiland@mindspring.com>
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Subject: Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2)
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Test wrote:
> 
> I have:
> 
> for (i=0,i2=0;i<10;i++,i2++)
>    {
>    .. some code
>    }
> 
> Is "," (comma) oke here?

Yes.

> I am converting below code to for -loop:
> 
> i=0;
> i2=0;
> while (i<10)
>    {
>    ... some code
>    i++;
>    i2++;
>    }
> 
> Which is executed first in for (i=0,i2=0;i<10;i++,i2++)? i2=0 or i=0?

i=0

> Any caveats?
> I could not find explanation to comma usage (maybe not not looking
> hard enough).

Not being able to find an explanation without looking hard,
might be considered to be a caveat.

Also, as I believe others have mentioned,
if ".. some code" contains a "continue" statement,
then i++ i2++ will be executed at the end of the "for loop"
but not at the end of the "while loop".

-- 
pete