PathIsSystemFolder

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.
  1. alias PathIsSystemFolder = PathIsSystemFolderW
  2. alias PathIsSystemFolder = PathIsSystemFolderA
    version(Windows && !Unicode)
    extern (Windows)
    alias PathIsSystemFolder = PathIsSystemFolderA

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