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From: James Kuyper <jameskuyper@alumni.caltech.edu>
Newsgroups: comp.lang.c
Subject: Re: do { quit; } else { }
Date: Fri, 11 Apr 2025 12:27:03 -0400
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On 4/9/25 06:04, Michael S wrote:
> On Wed, 9 Apr 2025 11:42:36 +0200
> David Brown <david.brown@hesbynett.no> wrote:
>
>>
>> In C, if you declare two structs in the same translation unit with
>> the same field types and the same field names, they are still
>> different types. 
>
> That is clear for structs with tags. Less clear for tagless structs
> that have exactly the same fields.

"Two declarations of structure, union, or enumerated types which are in
different scopes or use different tags declare distinct types. Each
declaration of a structure, union, or enumerated type which does not
include a tag declares a distinct type." (6.7.2.3p9)