Availability: Macintosh, \UNIX{}, Windows.
\end{datadesc}
+\begin{datadesc}{O_BINARY}
+Option for the \var{flag} argument to the \function{open()} function.
+This can be bit-wise OR'd together with those listed above.
+Availability: Macintosh, Windows.
+% XXX need to check on the availability of this one.
+\end{datadesc}
+
\subsection{Files and Directories \label{os-file-dir}}
of \constant{R_OK}, \constant{W_OK}, and \constant{X_OK} to test
permissions. Return \code{1} if access is allowed, \code{0} if not.
See the \UNIX{} man page \manpage{access}{2} for more information.
-Availability: \UNIX{}.
+Availability: \UNIX{}, Windows.
\end{funcdesc}
\begin{datadesc}{F_OK}