Re: bug in signature of getnameinfo()

[Alejandro Colomar <alx@kernel.org>]

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Hi Thorsten,

On 2026-04-09T16:42:27+0200, GIquadrat wrote:
> Hi,
> 
> https://www.man7.org/linux/man-pages/man3/getnameinfo.3.html
> 
> shows a strange signature of getnameinfo:
> 
> int getnameinfo(socklen_t hostlen, socklen_t servlen;
>                        const struct sockaddr *restrict addr, socklen_t addrlen,
>                        char host[_Nullable restrict hostlen],
>                        socklen_t hostlen,
>                        char serv[_Nullable restrict servlen],
>                        socklen_t servlen,
>                        int flags);

That's fine.  You could try compiling it and you'll see it works as it
should.  Just ignore everything before the ';' within the parameter
list (those are forward declarations of parameters).

That's documented in
<https://gcc.gnu.org/onlinedocs/gcc/Variable-Length.html>.


Have a lovely night!
Alex

> 
> Best regards
> Torsten

-- 
<https://www.alejandro-colomar.es>

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