char tmp[B64_BLOCK_SIZE];
} BIO_B64_CTX;
-static BIO_METHOD methods_b64 = {
+static const BIO_METHOD methods_b64 = {
BIO_TYPE_BASE64, "base64 encoding",
b64_write,
b64_read,
b64_callback_ctrl,
};
-BIO_METHOD *BIO_f_base64(void)
+const BIO_METHOD *BIO_f_base64(void)
{
return (&methods_b64);
}