heapsort
heapsort(void *a, size_t n, size_t es,
__weak_alias(heapsort,_heapsort)
int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
heapsort(fs->clfs_segtabp, lfs_sb_getnseg(fs), sizeof(struct clfs_seguse *),
heapsort(relbuf, r32sz, 4, intcmp);
int heapsort (void *, size_t, size_t, int (*)(const void *, const void *));
heapsort((void *)bigrams, 256 * 256, sizeof(struct bigram),