qsort_r
-------

Documentation:
 man qsort_r

Gnulib module: ---

Portability problems fixed by Gnulib:

  * This function is missing on some platforms: glibc 2.7, NetBSD 9.0, OpenBSD 6.7, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, Solaris 11.4, Cygwin 1.7.x, mingw, MSVC 14, Android 9.0.

  * This function has an incompatible API on some platforms: FreeBSD 13.0.

Portability problems not fixed by Gnulib: