def cleanup() -> None:
                """Clean up all the garbage MSVC writes in the source tree."""

                for fname in glob(os.path.join(tdir, 'alexandria.*')):
                    if os.path.splitext(fname)[1] not in {'.c', '.h'}:
                        os.unlink(fname)
Clean up all the garbage MSVC writes in the source tree.
unittests/allplatformstests.py