Wireshark-dev: Re: [Wireshark-dev] Move from C89 to C99?
From: Gerald Combs <gerald@xxxxxxxxxxxxx>
Date: Tue, 19 Jan 2010 15:06:13 -0800
Andrew Hood wrote:
> Every time someone asks "can we move from C89 to C99" I ask why?
> 
> Is there some C99 feature required and without which no further
> development is possible?

Variadic macros, maybe?

http://www.wireshark.org/lists/wireshark-dev/200609/msg00398.html