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<html><head><title>XLISP *standard-input*</title>
<link rel="stylesheet" type="text/css" href="reference.css">
</head>
<body>
<a href="../start.htm">Nyquist / XLISP 2.0</a> -
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<hr>
<h1>*standard-input*</h1>
<hr>
<p><table cellpadding="0" cellspacing="0" style="margin-left:10px"><tbody>
<tr valign="top">
<td><nobr>Type:</nobr></td>
<td><nobr> - </nobr></td>
<td width="100%"><nobr>system variable</nobr></td>
</tr>
<tr valign="top">
<td><nobr>Source:</nobr></td>
<td><nobr> - </nobr></td>
<td width="100%"><nobr>xlinit.c</nobr></td>
</tr>
</tbody></table></p>
<h2>Syntax</h2>
<dl>
<dt> *standard-input*</dt>
</dl>
<h2>Description</h2>
<p>The *standard-input* system variable contains a file pointer that points
to the file where all normal input from the programmer or user comes from.
The default file for *standard-input* is the system standard input device,
normally the system keyboard.</p>
<h2>Examples</h2>
<pre class="example">
*standard-input* <font color="#008844">; returns #<File-Stream: #2442e></font>
</pre>
<p><b>Note:</b> Be careful when modifying the *standard-input*. If you do
not save the old file pointer, you will not be able to return to normal
operation and will need to exit XLISP. If the file or source that you have
set *standard-input* to does not reset *standard-input* to its previous
value, you will never get control back to the keyboard.</p>
<p>See the
<a href="../manual/xlisp-man-011.htm#standard-input">*standard-input*</a>
system variable in the <nobr>XLISP 2.0</nobr> manual.</p>
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