32-Bit or 64-bit OS ??

Aescleal

3.62/5 (13 votes)

19 Sep 2010CPOL

18.9K

In C++ you can use the size of a pointer to work out what sort of process you're running in:bool is_64_bit(){ return sizeof(void *) == 8;}This has got the advantage of being portable and you don't have to call any OS functions.You can do something similar in C - just return...

In C++ you can use the size of a pointer to work out what sort of process you're running in:

bool is_64_bit()
{
    return sizeof(void *) == 8;
}

This has got the advantage of being portable and you don't have to call any OS functions.

You can do something similar in C - just return an int instead.

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