EVP_PKEY_print_params
ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
ret = EVP_PKEY_print_params(bio, pkey, 4, NULL);
int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, int indent,
LCRYPTO_ALIAS(EVP_PKEY_print_params);
LCRYPTO_USED(EVP_PKEY_print_params);
rv = EVP_PKEY_print_params(out, pkey, 0, NULL);
EVP_PKEY_print_params(out, pkey, 0, NULL);