@section @code{sleep}
@findex sleep
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/sleep.html}
+POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/sleep.html}
Gnulib module: sleep
This function takes milliseconds as argument and returns @code{void} on some
platforms:
mingw (2005 and older).
+@item
+This function cannot sleep longer than 49.7 days on some platforms:
+Cygwin 1.5.x.
@end itemize
Portability problems not fixed by Gnulib: