Re: va_copy for function doco

[Kevin Ryde]

Russ Allbery <address@hidden> writes:
>
> Kevin Ryde <address@hidden> writes:
>  
> > +Hopefully one of the two will be available on any system
> > +where more than plain @code{=} is required to copy a @code{va_list}.
> 
> I'm pretty sure that last sentence is overly optimistic, although I don't
> at present have a counter-example.

I think I've seen "memcpy (&(dst), &(src), sizeof(va_list))" before,
though I forget where.  Perhaps that would be a better recommendation.
I guess gcc would optimize it down to the same as "(dst)=(src)".