[Minor] environment function names

[Karl Fogel]

On 10/26/06, Jim Blandy <jimb at red-bean.com> wrote:
> Having written the above, I've realized that what really makes me
> miserable is stuff that  is ill-organized or ill-architected or
> needlessly constrained, and inconsistency in naming is far more of a
> pain than any halfway plausible but consistent abbreviation.
>
> So, 'env' it is.

And "env" is so common these days at to be practically another
word for "environment" anyway.  I don't even notice that it's an
abbrev any more.