At 2003-12-07 18:19:26 +0100, [EMAIL PROTECTED] wrote:
>
> There is a new type in C99 for "integer that can hold a pointer
> value". I think it's called intptr_t resp. uintptr_t, but I don't have
> the standard around.
Yes, they're called intptr_t and uintptr_t (§7.18.1.4), but they're both
optional types.
I note in passing that the xor-trick is one of the pointer-hiding tricks
that are the bane of garbage collectors for C (the other common example
being writing a pointer to a file and reading it back).
-- ams
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