- memcpy(&e.bt,&(heap->heapinfo[block].busy_block.bt),sizeof(void*)*XBT_BACKTRACE_SIZE);
- e.used = heap->heapinfo[block].busy_block.bt_size;
+ memcpy(&e.bt,&(((malloc_info *)heapinfo)[block].busy_block.bt),sizeof(void*)*XBT_BACKTRACE_SIZE);
+e.used = ((malloc_info *)heapinfo)[block].busy_block.bt_size;