9.840 random

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/random.html

Gnulib module: random

Portability problems fixed by Gnulib:

• This function is missing on some platforms: Solaris 2.4, mingw, MSVC 14, Android 4.4.

Portability problems not fixed by Gnulib:

• This function has a slightly incompatible declaration (the return type being ‘int’ instead of ‘long’) on some platforms: Cygwin 1.5.25, Haiku.