> If link(2) starts traversing symlinks, I'm going to get a little
> worried.  Besides, what if the symlink points off-device?

Then you get EXDEV, same as for any cross-device link(2) attempt.

> The other system calls traversing make a modicum of sense; however, I
> believe the extensions for symperm allow for some very clever
> filesystem manipulations!

Especially if they were done thoroughly.  Someday I want to implement
the write and set-id bits; only the read and execute bits seem to have
any semantics at present.

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