This might help:

http://developer.apple.com/documentation/Darwin/Conceptual/64bitPorting

Roger


On 11/01/2008, at 9:53 AM, Neil Jerram wrote:

I'm struggling to get my head round Darwin's overall story on 64-bit
APIs.  For off_t, it seems to have decided that it's fine to go
unconditionally to 64 bits.  But for other things, like stat, it
provides both xxx() and xxx64() functions.  And for yet other things,
like inodes, it seems the size is controlled by whether the containing
program defines __DARWIN_INO64_T before including the relevant
headers.

What's the big picture?  Is there a standard or other documentation
somewhere that explains this?

Thanks,
      Neil


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