[libc-commits] [libc] [libc] added rest of yaml files for new headergen (PR #96977)

[via libc-commits]

https://github.com/aaryanshukla commented:

Have a newline at the end of each Yaml file. Also we can remove guard and attributes if they are assigned to nothing to cut down on boilerplate info. Rest LGTM.

https://github.com/llvm/llvm-project/pull/96977