PEM_write_bio_ECPrivateKey
LCRYPTO_USED(PEM_write_bio_ECPrivateKey);
LCRYPTO_ALIAS(PEM_write_bio_ECPrivateKey);
if (!PEM_write_bio_ECPrivateKey(bio, key, NULL, NULL, 0, NULL, NULL)) {
i = PEM_write_bio_ECPrivateKey(out, eckey,
i = PEM_write_bio_ECPrivateKey(out, eckey, NULL,
success = PEM_write_bio_ECPrivateKey(bio,