int ASN1_TYPE_get_int_octetstring(const ASN1_TYPE *a, long *num,
unsigned char *data, int max_len);
-void *ASN1_item_unpack(ASN1_STRING *oct, const ASN1_ITEM *it);
+void *ASN1_item_unpack(const ASN1_STRING *oct, const ASN1_ITEM *it);
ASN1_STRING *ASN1_item_pack(void *obj, const ASN1_ITEM *it,
ASN1_OCTET_STRING **oct);