[PATCH 2/3] msqid: Provide internal copy of struct __msqid64_ds

[Joseph Myers]

On Fri, 6 Nov 2020, Lukasz Majewski wrote:

> 3. The exported header (from point 1) shall have:
> 
> #if __TIMESIZE == 32 && defined __USE_TIME_BITS64
> # define timespec __timespec64
> #endif

You'll need to make sure that's permitted under the namespace reservations 
in POSIX.

For the cases where a struct tag has the same name as a function (e.g. 
stat), #undef of the function name is definitely allowed for user 
programs, so relying on defining the struct tag as a macro is probably 
unsafe in that case.

-- 
Joseph S. Myers
joseph@codesourcery.com