srand
=====

POSIX specification:
 https://pubs.opengroup.org/onlinepubs/9699919799/functions/srand.html

Gnulib module: ---

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

  * This function is only defined as an inline function on some platforms: Android 4.4.

  * This function has no effect on rand invocations in other threads on some platforms: Cygwin 3.4.6.