const OSSL_CORE_HANDLE *ossl_provider_get_parent(OSSL_PROVIDER *prov);
int ossl_provider_up_ref_parent(OSSL_PROVIDER *prov, int activate);
int ossl_provider_free_parent(OSSL_PROVIDER *prov, int deactivate);
const OSSL_CORE_HANDLE *ossl_provider_get_parent(OSSL_PROVIDER *prov);
int ossl_provider_up_ref_parent(OSSL_PROVIDER *prov, int activate);
int ossl_provider_free_parent(OSSL_PROVIDER *prov, int deactivate);