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<html><head><title>XLISP *debug-io*</title>
<link rel="stylesheet" type="text/css" href="reference.css">
</head>
<body>
<a href="../start.htm">Nyquist / XLISP 2.0</a> -
<a href="../manual/contents.htm">Contents</a> |
<a href="../tutorials/tutorials.htm">Tutorials</a> |
<a href="../examples/examples.htm">Examples</a> |
<a href="reference-index.htm">Reference</a>
<hr>
<h1>*debug-io*</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, xlio.c, xldbug.c</nobr></td>
</tr>
</tbody></table></p>
<h2>Syntax</h2>
<dd>
<dt>*debug-io*</dt>
</dd>
<h2>Description</h2>
<p>*debug-io* is a system variable that contains a file pointer pointing to
the stream where all debug input and output goes to and from. The default
file for *debug-io* is the system standard error device, normally the
keyboard and screen.</p>
<h2>Examples</h2>
<pre class="example">
*debug-io* <font color="#008844">; returns #<File-Stream...></font>
</pre>
<p><b>Note:</b>
<nobr><a href="global-trace-output.htm">*trace-output*</a> ,</nobr>
*debug-io* and <a href="global-error-output.htm">*error-output*</a> are normally
all set to the same file stream 'stderr'.</p>
<p>See the
<a href="../manual/xlisp-man-011.htm#debug-io">*debug-io*</a>
system variable in the <nobr>XLISP 2.0</nobr> manual.</p>
<p><nobr> <a href="#top">Back to Top</nobr></a></p>
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