OSSL_PROVIDER *OSSL_PROVIDER_load(OPENSSL_CTX *, const char *name);
int OSSL_PROVIDER_unload(OSSL_PROVIDER *prov);
-const OSSL_ITEM *OSSL_PROVIDER_get_param_types(const OSSL_PROVIDER *prov);
+const OSSL_PARAM *OSSL_PROVIDER_get_param_types(const OSSL_PROVIDER *prov);
int OSSL_PROVIDER_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[]);
/* Add a built in providers */