"Complimentary" msvcrt?

[Vincent Povirk]

> Winelib is there to:
> 1) provide Windows headers, to keep those DWORDs etc. defined

Yes, but so does MSVC.

> 2) implement Windows APIs in terms of Linux as much as possible -- to keep those
> CreateFileWs going, to avoid changing every single 'Sleep' to 'sleep'
> "just because".

Winelib doesn't do that. It uses the same implementation of the
Windows API that is in Wine.

Perhaps the io-layer aka libwapi library in Mono is closer to what you
describe, but that is very limited and only intended for internal use
in Mono.