ASN1_item_ex_new
int ASN1_item_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it);
if (!ASN1_item_ex_new(&achoice, it)) {
if (!ASN1_item_ex_new(&aseq, it)) {
if (ASN1_item_ex_new(&ret, it) > 0)
LCRYPTO_ALIAS(ASN1_item_ex_new);
LCRYPTO_USED(ASN1_item_ex_new);