Type Definition winapi::um::wincrypt::PFN_CRYPT_ASYNC_RETRIEVAL_COMPLETION_FUNC

type PFN_CRYPT_ASYNC_RETRIEVAL_COMPLETION_FUNC = Option<unsafe extern "system" fn(pvCompletion: LPVOID, dwCompletionCode: DWORD, pszUrl: LPCSTR, pszObjectOid: LPSTR, pvObject: LPVOID)>;