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+<html><head><title>XLISP objectp</title>
+
+<link rel="stylesheet" type="text/css" href="reference.css">
+
+</head>
+
+<body>
+
+<a href="../start.htm">Nyquist / XLISP 2.0</a>&nbsp; -&nbsp;
+<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>objectp</h1>
+
+<hr>
+
+<p><table cellpadding="0" cellspacing="0" style="margin-left:10px"><tbody>
+<tr valign="top">
+  <td><nobr>Type:</nobr></td>
+  <td><nobr>&nbsp;&nbsp;-&nbsp;&nbsp;</nobr></td>
+  <td width="100%"><nobr>predicate function (subr)</nobr></td>
+</tr>
+<tr valign="top">
+  <td><nobr>Source:</nobr></td>
+  <td><nobr>&nbsp;&nbsp;-&nbsp;&nbsp;</nobr></td>
+  <td width="100%"><nobr>xlbfun.c</nobr></td>
+</tr>
+</tbody></table></p>
+
+<h2>Syntax</h2>
+
+<dl>
+<dt>(objectp expr)</dt>
+<dd><i>expr</i> - the expression to check<br>
+returns - <a href="t.htm">&nbsp;T&nbsp;</a> if the expression
+is an object, <a href="nil.htm">NIL</a> otherwise</dd>
+</dl>
+
+<h2>Description</h2>
+
+<p>The 'objectp' predicate function checks if the 'expr' is an object.
+<a href="t.htm">&nbsp;T&nbsp;</a> is returned if 'expr' is
+an object, <a href="nil.htm">NIL</a> is returned otherwise.</p>
+
+<h2>Examples</h2>
+
+<pre class="example">
+(objectp object)   <font color="#008844">; returns T</font>
+(objectp class)    <font color="#008844">; returns T</font>
+(objectp NIL)      <font color="#008844">; returns NIL</font>
+(objectp '(a b))   <font color="#008844">; returns NIL</font>
+</pre>
+
+<p>See the
+<a href="../manual/xlisp-man-018.htm#objectp">objectp</a>
+predicate function in the <nobr>XLISP 2.0</nobr> manual.</p>
+
+<p><nobr>&nbsp;&nbsp;<a href="#top">Back to Top</nobr></a></p>
+
+<hr>
+
+<a href="../start.htm">Nyquist / XLISP 2.0</a>&nbsp; -&nbsp;
+<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>
+
+</body></html>
+\ No newline at end of file