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    SubjectRe: Q: void* vs. unsigned long

    On Tue, 16 Feb 1999, Brian Gerst wrote:
    > H. Peter Anvin wrote:
    > > Actually, it will. sizeof(unsigned long) == sizeof(void *) == 8 on
    > > 64-bit architectures.
    >
    > I thought it was int that changed with the word size of the
    > architecture, not long. Most C books I've seen said long is always 32
    > bits regardless of the word size. Regardless, if the value represents a
    > pointer, then it should be declared as such - for the sake of clarity if
    > nothing else.

    i was also wondering about the use of (ulong) and (void *). is it true
    that (ulong) is used for physical addresses and void * is used for virtual
    addresses? wouldn't it be clearer to use a couple of typedefs?

    - Chuck Lever
    --
    corporate: <chuckl@netscape.com>
    personal: <chucklever@netscape.net> or <cel@monkey.org>


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