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<a name="I_002fO-Ports-in-Guile"></a>
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<a name="I_002fO-Ports-in-Guile-1"></a>
<h4 class="subsubsection">23.3.3.23 I/O Ports in Guile</h4>

<dl>
<dt><a name="index-input_002dport"></a>Scheme Procedure: <strong>input-port</strong></dt>
<dd><p>Return <small>GDB</small>&rsquo;s input port as a Guile port object.
</p></dd></dl>

<dl>
<dt><a name="index-output_002dport"></a>Scheme Procedure: <strong>output-port</strong></dt>
<dd><p>Return <small>GDB</small>&rsquo;s output port as a Guile port object.
</p></dd></dl>

<dl>
<dt><a name="index-error_002dport"></a>Scheme Procedure: <strong>error-port</strong></dt>
<dd><p>Return <small>GDB</small>&rsquo;s error port as a Guile port object.
</p></dd></dl>

<dl>
<dt><a name="index-stdio_002dport_003f"></a>Scheme Procedure: <strong>stdio-port?</strong> <em>object</em></dt>
<dd><p>Return <code>#t</code> if <var>object</var> is a <small>GDB</small> stdio port.
Otherwise return <code>#f</code>.
</p></dd></dl>


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