@itemize
@item
This constant is missing on some platforms:
-MacOS X 10.3, HP-UX 11, IRIX 6.5, OSF/1 5.1, Cygwin 1.5.x, mingw, Interix 3.5, BeOS.
+MacOS X 10.5, Minix 3.1.8, HP-UX 11.00, IRIX 6.5, OSF/1 5.1, Cygwin 1.5.x, mingw, MSVC 9, Interix 3.5, BeOS.
@end itemize