> Which the UNIX/POSIX world has
> not seen fit to provide besides requiring you to follow a trail of
> crumbs to find the real file
All Linux/BSD/Solaris errno numbers, identifiers and messages:
<https://github.com/lassik/lookup-computer/blob/master/errno.csv>

That table is auto-generated by:
<https://github.com/lassik/lookup-computer/blob/master/errno.py>

Not sure how SRFI 170 impls should derive the list.

> Creating errno/perm etc. will be a bit obnoxious if there are systems
> out there that don't actually define all of the POSIX set (and of course
> they can define additional ones, which this SRFI can't require
> including).  But not that big a deal if there's value to it.

Not sure about this either.