Type Definition winapi::um::wincrypt::PFN_CMSG_EXPORT_ENCRYPT_KEY

type PFN_CMSG_EXPORT_ENCRYPT_KEY = Option<unsafe extern "system" fn(hCryptProv: HCRYPTPROV, hEncryptKey: HCRYPTKEY, pPublicKeyInfo: PCERT_PUBLIC_KEY_INFO, pbData: PBYTE, pcbData: PDWORD) -> BOOL>;