> Hi Victor, I was trying to compile with clang on Windows 10. I will try to pull your 3.11 changes and test. Sorry to cause so much churn. It looked to me like a simple issue that was missed, probably because whatever was trying to compile was not normally compiled on Windows. I was not trying to make a lot of work to support a new platform :)

I tried to write a change which doesn't increase the maintenance on other platforms.

I dislike declaring private functions in the *public* Python.h header file, especially if they cause build error. Over the last years, I moved many private functions to the internal C API.

In Python, we are trying to provide a same C API on all platforms. If "struct stat" is no longer considered as portable, IMO we should attempt to avoid it, at least in the public C API. For these reasons, I dislike PR 30478. The problem is that if the work is written on Linux using "strut stat", the build can fail on Windows if "struct _Py_stat_struct" is now required on Windows. I expected "struct stat" to be portable, but it seems like I was wrong.