William Xu wrote:

> Road Tang <roadtang@gmail.com> writes:
>
>> it's implementation defined.
>> e.g
>>
>> on 32-bit machine, sizeof(ptr) may be 32
>
> Then, is it safe to say that sizeof(ptr) <= 32 ?

No, I did't find the Standard have such rules about it.
I just write that number for example.

>> and 64-bit machine it returns 64.
>
> Similarly, sizeof(ptr) <= 64 ?
>
You like this apply? but I'm still not sure.


--
C FAQ: http://c-faq.com/