qsort_r() conforms to which standards?

[Mark R Bannister]

Hi,

Can someone help re qsort_r()?  I've added notes regarding it to the qsort(3) man
page:

http://article.gmane.org/gmane.linux.man/2397

However, does anyone know what standards does it conform to?  (I've seen other
versions of qsort_r() with the arguments the other way around).

Thanks,
Mark Bannister.