Re: RFC: Foreign objects facility

[Doug Evans]

On Sun, Apr 27, 2014 at 10:51 AM, Andy Wingo <address@hidden> wrote:
>[...]
>> Portability is more problematic for pointer types.  The C standards make
>> no guarantees about the semantics of converting between pointers and
>> integers, and it's not clear to me how future proof this will be.
>
> Don't they make some guarantees wrt uintptr_t and intptr_t ?

Data point:  Yes.  One can convert from void * to either of these and
back "and the result will compare equal to the original pointer".