5 POSIX specification: @url{http://www.opengroup.org/susv3xsh/fopen.html}
9 Portability problems fixed by Gnulib:
12 On Windows platforms (excluding Cygwin), this function does usually not
13 recognize the @file{/dev/null} filename.
16 Portability problems not fixed by Gnulib:
19 On Windows platforms (excluding Cygwin), this function does not set @code{errno}
22 On Windows, this function returns a file stream in ``text'' mode by default;
23 this means that it translates @code{'\n'} to CR/LF by default. Use the
24 @code{"b"} flag if you need reliable binary I/O.