On Wed, 10 May 2000, Doug Rabson wrote:

> You can suppress the warning if you cast to uintptr_t first. Pretty ugly
> though.

For (almost) full uglyness and correctness, you have to cast to
"volatile void *" first, then back via "void *":

#define unvolstructfoop(sfp) \
    ((struct foo *)(void *)(uintptr_t)(volatile void *)(sfp))

For full uglyness, add an ifdef to test if uintptr_t exists (see the C99
standard), and backup methods for when it doesn't exist.


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