Port switches

Settable


\begin{inset}{} Accesses the default port for input from the terminal. \par Note... ...t is available from a port following an end-of-file condition on it. \end{inset}

Settable


\begin{inset}{} Accesses the default port for output to the terminal. \end{inset}

Settable


\begin{inset}{} Accesses the default standard input port. Initially, this is the... ...file. This same idea is used for all the following predefined ports. \end{inset}

Settable


\begin{inset}{} {\tt STANDARD-OUTPUT} accesses the default standard output port. Initially, this is the same as the value of {\tt (TERMINAL-OUTPUT)}. \end{inset}

Settable


\begin{inset}{} Initially, yields the same value as {\tt (TERMINAL-OUTPUT)}. \end{inset}

Settable


\begin{inset}{} Initially, yields the same value as {\tt (TERMINAL-OUTPUT)}. \end{inset}