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Re: [Tinycc-devel] Strange sizeof construct

From: Simon 'corecode' Schubert
Subject: Re: [Tinycc-devel] Strange sizeof construct
Date: Tue, 13 Nov 2007 20:15:03 +0100
User-agent: Thunderbird (X11/20071022)

Marc Andre Tanner wrote:
> Could a C guru out there please tell me why the following works? Extra points
> if you can explain why it makes sense.
> #include <stdio.h>
> int main(){
>       int arr[10];
>       printf("%d\n",sizeof arr[0]);  // ok
>       printf("%d\n",sizeof(arr[0])); // ok
>       printf("%d\n",sizeof(arr)[0]); // ok, but why?
>       return 0;
> }

I think it is some kind of precedence rule.  sizeof after all is an
operator and not a function.  Seems that [] is binding stronger than sizeof.


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