-void xbt_heap_maxHeapify(xbt_heap_t H);
-void xbt_heap_increaseKey(xbt_heap_t H, int i);
+#define MIN_KEY_VALUE -10000
+
+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 */