extern int heaphandle;
+#ifdef __BORLANDC__
+void * LargestFreeBlock(size_t* Size);
+#endif
+#ifdef __WATCOMC__
void __near* LargestFreeBlock(size_t* Size);
+#endif
size_t _coreleft(void);
void far* LargestFarFreeBlock(size_t* Size);
size_t _farcoreleft(void);