I wonder if the author is aware of antiqsort<p><a href="https://www.cs.dartmouth.edu/~doug/aqsort.c" rel="nofollow">https://www.cs.dartmouth.edu/~doug/aqsort.c</a>
and
<a href="https://github.com/matslina/qsort/blob/master/antiqsort.c" rel="nofollow">https://github.com/matslina/qsort/blob/master/antiqsort.c</a>
...