Function PEM_write_bio_PKCS8PrivateKey_nid 

pub unsafe extern "C" fn PEM_write_bio_PKCS8PrivateKey_nid(
    bio: *mut BIO,
    in_: *const EVP_PKEY,
    nid: c_int,
    pass: *const c_char,
    pass_len: c_int,
    cb: pem_password_cb,
    userdata: *mut c_void,
) -> c_int