utility for heap_2.c

int vPortUsedMem(void) {     xBlockLink *pxBlock = &xStart;     int size = 0;         vTaskSuspendAll();         while ((pxBlock) && (pxBlock != &xEnd))     {         size += pxBlock->xBlockSize;         pxBlock = pxBlock->pxNextFreeBlock;     }         xTaskResumeAll();     return size; } best rgs Janusz