@itemize
@item
This function is missing on some platforms:
-mingw.
+mingw, MSVC 9.
@item
On some platforms, @code{tcdrain} on a non-tty fails with @code{errno} set to
-@code{EINVAL} or, on MacOS X, also @code{EOPNOTSUPP} or @code{ENODEV}, rather
+@code{EINVAL} or, on Mac OS X, also @code{EOPNOTSUPP} or @code{ENODEV}, rather
than @code{ENOTTY}.
@end itemize