@section @code{freopen}
@findex freopen
-POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/freopen.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/freopen.html}
Gnulib module: freopen
Portability problems fixed by Gnulib:
@itemize
@item
+On platforms where @code{off_t} is a 32-bit type, @code{freopen} may not work
+correctly with files larger than 2 GB. (Cf. @code{AC_SYS_LARGEFILE}.)
+@item
On Windows platforms (excluding Cygwin), this function does usually not
recognize the @file{/dev/null} filename.
@end itemize