+void hbytes_set(HBytes_Value *upd, const Byte *array, int l);
+Tcl_Obj *hbytes_set_obj(Tcl_Obj *overwrite, const Byte *array, int l);
+
+/* from parse.c */
+
+typedef struct {
+ HBytes_Value *hb;
+ Tcl_Obj *obj, *var;
+} HBytes_Var;
+
+void fini_hbv(Tcl_Interp *ip, int rc, HBytes_Var *agg);