significant). CLOSURE places there the indices of all items which
represent units of input that could arrive next. */
-void closure PARAMS ((short *items, int n));
+void closure PARAMS ((item_number_t *items, int n));
/* Frees ITEMSET, RULESET and internal data. */
void free_closure PARAMS ((void));
-extern short *itemset;
+extern item_number_t *itemset;
extern int nritemset;
#endif /* !CLOSURE_H_ */