55     Py_ssize_t startpos, endpos, childpos, limit;  in siftup()  local
60     endpos = PyList_GET_SIZE(heap);  in siftup()
62     if (pos >= endpos) {  in siftup()
69     limit = endpos >> 1;         /* smallest pos that has no child */  in siftup()
73         if (childpos + 1 < endpos) {  in siftup()
82             if (endpos != PyList_GET_SIZE(heap)) {  in siftup()
409     Py_ssize_t startpos, endpos, childpos, limit;  in siftup_max()  local
414     endpos = PyList_GET_SIZE(heap);  in siftup_max()
416     if (pos >= endpos) {  in siftup_max()
423     limit = endpos >> 1;         /* smallest pos that has no child */  in siftup_max()
427         if (childpos + 1 < endpos) {  in siftup_max()
436             if (endpos != PyList_GET_SIZE(heap)) {  in siftup_max()