How to identity processor architecture

[mindentropy]

On Thursday 27 Jan 2011 12:15:47 pm Mulyadi Santosa wrote:
> On Thu, Jan 27, 2011 at 13:40, prabhu <prabhum at msys-tech.com> wrote:
> > No, because 32bit code will tell the datatype size and i think pointer
> > variable depends on architecture.
> > So 64 bit processor needs 64 address line to point the data location. So
> > pointer variable needs to be 8 byte.
> 
> Please don't top post and please use the new list address, ok? :)
> 
> IMO, I second your opinion. And as addition, I think it's worth to
> check /proc/cpuinfo too  in "address sizes" field
> 
> NB: I was thinking, if in x64, it is operating in full 32 bit mode
> (not hybrid one), it is supposed to yield 32 bit address too, right?
Why not simply use CPUID ?