a2i_ASN1_INTEGER
LCRYPTO_ALIAS(a2i_ASN1_INTEGER);
int a2i_ASN1_INTEGER(BIO *bp, ASN1_INTEGER *bs, char *buf, int size);
LCRYPTO_USED(a2i_ASN1_INTEGER);
if (!a2i_ASN1_INTEGER(in, ai, buf, sizeof buf)) {
if (!a2i_ASN1_INTEGER(in, serial, buf, sizeof(buf))) {