ASN1_item_ex_d2i
if (ASN1_item_ex_d2i(pval, in, inlen, it, -1, 0, 0, NULL) <= 0)
if (ASN1_item_ex_d2i((ASN1_VALUE **)&abool, in, len, &ASN1_BOOLEAN_it,
ret = ASN1_item_ex_d2i(&intname.a, &p, len,
int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_ITEM *it,