Make "sys/queue.h" usable with C++

[Hans Petter Selasky]

On 06/08/15 11:25, Poul-Henning Kamp wrote:
> It's really a decision if we want to spread dependence on typeof()
> to /usr/include isn't it ?

Hi Paul-Henning,

I'm aware about the typeof. Without typeof we would have to duplicate 
more of the queue macros, because in C++ you can make lists with both 
structs and classes. Else like some have suggested, we might drop the 
class/struct keyword, but that again will not work in external C 
sections in C++ files.

--HPS