CYC_HEAP_LEFT
heap_left = CYC_HEAP_LEFT(ndx);
CYC_HEAP_LEFT(CYC_HEAP_PARENT(ndx)) == ndx ? " " : "", me,
CYC_HEAP_LEFT(CYC_HEAP_PARENT(ndx)) == ndx ? "" : " ");
if ((heap_left = CYC_HEAP_LEFT(heap_me)) >= nelems)