@node freopen
@section @code{freopen}
@findex freopen

POSIX specification: @url{http://www.opengroup.org/susv3xsh/freopen.html}

Gnulib module: freopen

Portability problems fixed by Gnulib:
@itemize
@item
On Windows platforms (excluding Cygwin), this function does usually not
recognize the @file{/dev/null} filename.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
On Windows platforms (excluding Cygwin), this function does not set @code{errno}
upon failure.
@item
This function does not fail when the file name argument ends in a slash
and (without the slash) names a nonexistent file or a file that is not a
directory, on some platforms:
HP-UX 11.00, Solaris 9, Irix 5.3.
@end itemize