Andrew Stubbs wrote:
> On 02/07/09 14:34, Richard Guenther wrote:
>> No, that's invalid. You would have to do
>>
>> extern union {
>> void *foo;
>> short *bar;
>> };
>>
>> using the union for the double-indirect pointer doesn't help. Or
>> simply use memcpy to store to foo.
>
> Ah, I did not know that. I still don't understand how a reference to a
> memory location that happens to contain a pointer is different to one
> what contains other data?
It's easy enough to find out: just look at the C standard. 6.3.2.3, Pointers.
Andrew.