> This would involve walking two arrays.  Somewhat more
> painful.  Whatever the interface, probably the better names
> are `preadv/pwritev' since these calls correspond to
> pread/pwrite the way readv/writev correspond to read/write.

Um.  Yes, it would be more painful.  Probably about four lines more of
C code, in exchange for the ability to remove the deprecated interface
and replace it with a library call.  Keeping both the old readv/writev
and the new preadv and pwritev would duplicate more than four lines of
code, but I suppose it would be slightly less complicated, in a way....

			       _MelloN_