X509_NAME_ENTRY_dup
LCRYPTO_ALIAS(X509_NAME_ENTRY_dup);
LCRYPTO_USED(X509_NAME_ENTRY_dup);
X509_NAME_ENTRY *X509_NAME_ENTRY_dup(X509_NAME_ENTRY *ne);
if ((new_name = X509_NAME_ENTRY_dup((X509_NAME_ENTRY *)ne)) == NULL)