This function returns a reference on the current object, so the user can test
any states of the stream right away.
-\membersection{wxInputStream::SeekI}
+\membersection{wxInputStream::SeekI}\label{wxinputstreamseeki}
\func{off\_t}{SeekI}{\param{off\_t}{ pos}, \param{wxSeekMode}{ mode = wxFromStart}}