[clang] [libclang/python] Derive library function types from annotations (PR #142120)

[Jannick Kremer via cfe-commits]

DeinAlptraum wrote:

Hmm so on the CI it fails for some reason... locally, the tests passed as usual without me having to change anything at all, except for the one test that checks used library functions.

https://github.com/llvm/llvm-project/pull/142120