heapsort_r
heapsort_r(void *vbase, size_t nmemb, size_t size,
return heapsort_r(a, n, es, cmpnocookie, cmp);
__weak_alias(heapsort_r,_heapsort_r)
int heapsort_r(void *, size_t, size_t,
if (heapsort_r(a, n, sz, cmp, cookie) == -1)