Function GetClassFileOrMime

pub unsafe extern "C" fn GetClassFileOrMime(
    pBC: LPBC,
    szFilename: LPCWSTR,
    pBuffer: LPVOID,
    cbSize: DWORD,
    szMime: LPCWSTR,
    dwReserved: DWORD,
    pclsid: *mut CLSID,
) -> HRESULT