Declare most internal, constant tables as const, particularly the
"specifics" structures and the tables they point to.
diff --git a/skeletons/OCTET_STRING.h b/skeletons/OCTET_STRING.h
index 8df9a18..013c7b1 100644
--- a/skeletons/OCTET_STRING.h
+++ b/skeletons/OCTET_STRING.h
@@ -63,7 +63,7 @@
  * Internally useful stuff. *
  ****************************/
 
-typedef struct asn_OCTET_STRING_specifics_s {
+typedef const struct asn_OCTET_STRING_specifics_s {
 	/*
 	 * Target structure description.
 	 */