-extern unsigned* _heaporg; /* Bottom of heap */
-extern unsigned* _heapptr; /* Current top */
-extern unsigned* _heapend; /* Upper limit */
-extern struct freeblock* _heapfirst; /* First free block in list */
-extern struct freeblock* _heaplast; /* Last free block in list */
+extern unsigned* _heaporg; /* Bottom of heap */
+extern unsigned* _heapptr; /* Current top */
+extern unsigned* _heapend; /* Upper limit */
+extern struct freeblock* _heapfirst; /* First free block in list */
+extern struct freeblock* _heaplast; /* Last free block in list */