66     Py_ssize_t startpos, endpos, childpos, limit;  in siftup()  local
71     endpos = PyList_GET_SIZE(heap);  in siftup()
73     if (pos >= endpos) {  in siftup()
80     limit = endpos >> 1;         /* smallest pos that has no child */  in siftup()
84         if (childpos + 1 < endpos) {  in siftup()
96             if (endpos != PyList_GET_SIZE(heap)) {  in siftup()
460     Py_ssize_t startpos, endpos, childpos, limit;  in siftup_max()  local
465     endpos = PyList_GET_SIZE(heap);  in siftup_max()
467     if (pos >= endpos) {  in siftup_max()
474     limit = endpos >> 1;         /* smallest pos that has no child */  in siftup_max()
478         if (childpos + 1 < endpos) {  in siftup_max()
490             if (endpos != PyList_GET_SIZE(heap)) {  in siftup_max()