kdf_argon2_free
{ OSSL_FUNC_KDF_FREECTX, (void (*)(void))kdf_argon2_free },
{ OSSL_FUNC_KDF_FREECTX, (void (*)(void))kdf_argon2_free },
{ OSSL_FUNC_KDF_FREECTX, (void (*)(void))kdf_argon2_free },
static OSSL_FUNC_kdf_freectx_fn kdf_argon2_free;
static void kdf_argon2_free(void *vctx);