[userenv] add userenv.h

[Dmitry Timoshkov]

"Vijay Kiran Kamuju" <infyquest at gmail.com> wrote:

> I havent blindly copied them.
> But modified them PSDK headers for our need.

You can't do that.

> But havent added any unicode things 'coz I was busy with other things.
> And defered to a later patch.

I'm sorry, but this doesn't sound plausibly. More like you simply don't
know what you are doing.

> If you think i need to send a newer patch, i will send it monday.

I hope that Alexandre won't accept this and other patches of a similar
"style".

-- 
Dmitry.