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

[Poul-Henning Kamp]

--------
In message <55734622.5090808 at selasky.org>, Hans Petter Selasky writes:

>I've come up with a smarter way to do it, which I think is more 
>acceptable. Simply we need to duplicate the ENTRY and HEAD macros for 
>use with classes. Then use __typeof() where pointers are referred inside 
>these macros. That's it.
>
>Can you checkout:
>
>https://reviews.freebsd.org/D2745
>
>And give some comments?

It's really a decision if we want to spread dependence on typeof()
to /usr/include isn't it ?

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.