X509_ALGOR_dup
LCRYPTO_ALIAS(X509_ALGOR_dup);
LCRYPTO_USED(X509_ALGOR_dup);
new_alg = X509_ALGOR_dup(alg);
if ((md_alg = X509_ALGOR_dup(md_alg_resp)) == NULL)
if (!(ret->md_alg = X509_ALGOR_dup(md_alg)))
X509_ALGOR *X509_ALGOR_dup(X509_ALGOR *xn);