sk_X509_NAME_push
if (!sk_X509_NAME_push(ret, name))
if (!sk_X509_NAME_push(*sk, name)) {
if (!sk_X509_NAME_push(sk, xn))
if (!sk_X509_NAME_push(ret, xn))
if (!sk_X509_NAME_push(stack, xn))
if (!sk_X509_NAME_push(ca_sk, xn)) {