ossl_prop_defn_get
if ((impl->properties = ossl_prop_defn_get(store->ctx, properties)) == NULL) {
OSSL_PROPERTY_LIST *ossl_prop_defn_get(OSSL_LIB_CTX *ctx, const char *prop);
r = r && TEST_ptr_eq(ossl_prop_defn_get(NULL, "red"), red)
&& TEST_ptr_eq(ossl_prop_defn_get(NULL, "blue"), blue)
&& TEST_ptr_eq(ossl_prop_defn_get(NULL, "blue"), blue);