@section @code{open}
@findex open
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/open.html}
+POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/open.html}
Gnulib module: open
Portability problems fixed by Gnulib:
@itemize
@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.
+@item
On Windows platforms (excluding Cygwin), this function does usually not
recognize the @file{/dev/null} filename.
@end itemize