## Feature <!-- What Python feature is missing from RustPython? Give a short description of the feature and how you ran into its absence. --> nt._path_splitroot is necessary to update filesystem related libraries for windows ## Python Documentation <!-- Give a link to the feature in the CPython documentation (https://docs.python.org/3/) in order to assist in its implementation. --> https://github.com/python/cpython/blob/v3.11.0b4/Modules/posixmodule.c#L4471-L4506
