[Issue 23935] ImportC for libuv

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23935

--- Comment #3 from a11e99z <black80 at bk.ru> ---
still fixing issues manually
hint: '\' means code follows on next line w/o line break
todo: ignore it in parser?

--