[clang] #101784 part 1: introduce ctyped in an independent manner (PR #101941)

[Vlad Serebrennikov via cfe-commits]

Endilll wrote:

I think this can be prevented by addition testing. Feel free to submit your suggestion as an additional test.
I also saw declared, but unused symbols in `functionList`, e.g. `clang_getTemplateCursorKind`. That might be worth loo

https://github.com/llvm/llvm-project/pull/101941