[SuperNinKenDo]

I like seeing specialised, bespoke tools existing, that's all.

[philipallstar]

But in what way? Do they need to implement their own libc as well? At what layer of the software stack does this start to matter?

[SuperNinKenDo]

Libc does not dictate much if anything about the UX of your IDE, so I don't see how that would be relevant.