#define KEY(H,i) ((H->items)[i]).key
#define CONTENT(H,i) ((H->items)[i]).content
-void xbt_heap_maxHeapify(xbt_heap_t H);
-void xbt_heap_increaseKey(xbt_heap_t H, int i);
+static void xbt_heap_maxHeapify(xbt_heap_t H);
+static void xbt_heap_increaseKey(xbt_heap_t H, int i);
#endif /* _XBT_HEAP_PRIVATE_H */