-/* we return the actual length... */
-int ASN1_TYPE_get_int_octetstring(a,num,data,max_len)
-ASN1_TYPE *a;
-long *num;
-unsigned char *data;
-int max_len; /* for returned value */
+/* we return the actual length..., num may be missing, in which
+ * case, set it to zero */
+/* int max_len: for returned value */
+int ASN1_TYPE_get_int_octetstring(ASN1_TYPE *a, long *num, unsigned char *data,
+ size_t max_len)