Re: make openat declarations consistent

[Eric Blake]

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According to Jim Meyering on 9/3/2009 6:52 AM:
> But in the long run, we should provide a replacement function,
> as we do for all other *at functions.

In the *at family, gnulib is still missing:

faccessat
linkat
mknodat
mkfifoat
readlinkat
renameat
symlinkat
utimensat (well, we use it in utimens if available)

I can probably look at doing these; except for renameat (which has two fds
to worry about) and utimensat (which requires some time truncation to map
onto existing functions), it seems like the rest can reuse the existing
at-func.c file for /proc/self/fd and save_cwd/fchdir/func/restore_cwd magic.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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