actually preferable to assign to items of \code{os.environ}.
\end{funcdesc}
+\begin{funcdesc}{strerror}{code}
+Return the error message corresponding to the error code in \var{code}.
+\end{funcdesc}
+
\begin{funcdesc}{read}{fd\, n}
Read at most \var{n} bytes from file descriptor \var{fd}.
Return a string containing the bytes read.
actually preferable to assign to items of \code{os.environ}.
\end{funcdesc}
+\begin{funcdesc}{strerror}{code}
+Return the error message corresponding to the error code in \var{code}.
+\end{funcdesc}
+
\begin{funcdesc}{read}{fd\, n}
Read at most \var{n} bytes from file descriptor \var{fd}.
Return a string containing the bytes read.