> in casts, we should _NOT_ be using intptr_t, but uintptr_t.  intptr_t
> is for _differences_ between two points and can be negative... we
> don't want sign-extension lossage.

(But you may need sign-extension winnage.)

intptr_t is for differences between pointers?  I thought that was what
ptrdiff_t was for.

					der Mouse

			       mouse@rodents.montreal.qc.ca
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