open() vs the lowest unused file descriptor

[Carl J]

Hi!

Today I noticed that on Single Unix Specification V2,
as well as on the Linux 2.4.26 machine I have here,
that the open() call promises to return the lowest
unused file descriptor when successful.

I'm just wondering: does FreeBSD 4.x and 5.x promise
that? If so, should we update the manpage
to match SUSv2 more closely?

Thank you!

- Carl

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