Missing time64 prototypes for !__REDIRECT compilers

[Florian Weimer]

* Adhemerval Zanella:

> On 05/07/2021 06:48, Florian Weimer wrote:
>> This pattern looks incorrect to me:
>> 
>> #ifdef __USE_GNU
>> /* Receive up to VLEN messages as described by VMESSAGES from socket FD.
>>    Returns the number of messages received or -1 for errors.
>> 
>>    This function is a cancellation point and therefore not marked with
>>    __THROW.  */
>> # ifndef __USE_TIME_BITS64
>> extern int recvmmsg (int __fd, struct mmsghdr *__vmessages,
>> 		     unsigned int __vlen, int __flags,
>> 		     struct timespec *__tmo);
>> # else
>> #  ifdef __REDIRECT
>> extern int __REDIRECT (recvmmsg, (int __fd, struct mmsghdr *__vmessages,
>>                                   unsigned int __vlen, int __flags,
>>                                   struct timespec *__tmo),
>>                        __recvmmsg64);
>> #  else
>> #   define recvmmsg __recvmmsg64
>> #  endif
>> # endif
>> #endif
>> 
>> For the !__REDIRECT case, a prototype for __recvmmsg64 is still needed.
>
> There is some fixes for recvmsg and recvmmsg that I am working on,
> I will add this as well.

I'm working on adding some missing time64 aliases.  I've got a
SCM_RIGHTS smoke test.

Thanks,
Florian