В Mon, 14 Feb 2011 08:53:21 -0000 "David Laight" <david.lai...@aculab.com> пишет:
> > > > Sorry, I don't understand that. I think u32 is always 32bit > > > 4byte on all archs. Right? > > > > Yes. > > > > Use an unsigned long if you want to hold a pointer correctly on all > > arches. > > Although that is true for many systems (and probably all ppc Linux) > it isn't necessarily true (eg 64 bit Microsoft Windows). > C99 inttypes.h should define uintptr_t as an unsigned integer > type that is large enough to hold a (data) pointer. > I'm not sure if this is defined for the Linux kernel. I think, the most reasonable option is to use a pointer type to hold pointer. :) -- Alexander
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