EVP_PKEY_meth_get0_info
EVP_PKEY_meth_get0_info(&pkey_id, &pkey_flags, pmeth);
OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
EVP_PKEY_meth_get0_info(&orig_id, &orig_flags, orig_pmeth);
EVP_PKEY_meth_get0_info(&pkey_id, NULL, pmeth);
EVP_PKEY_meth_get0_info(&pkey_id, NULL, pmeth);