@node random
@subsection @code{random}
@findex random

POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/random.html}

Gnulib module: random
@mindex random

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
mingw, MSVC 14.
@item
This function is only defined as an inline function on some platforms:
Android 4.4.
@item
This function is not thread-safe on some platforms:
macOS 14, FreeBSD 13.2, Solaris 11.4, Cygwin 3.4.6, Haiku.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
This function has a slightly incompatible declaration (the return type being
@samp{int} instead of @samp{long}) on some platforms:
Cygwin 1.5.25, Haiku.
@item
When @samp{srandom} was not called, this function returns a non-deterministic
sequence rather than a deterministic sequence of numbers on some platforms:
OpenBSD 7.4.
@end itemize
