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<html><head><title>XLISP alloc</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>alloc</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>function (subr)</nobr></td>
</tr>
<tr valign="top">
<td><nobr>Source:</nobr></td>
<td><nobr> - </nobr></td>
<td width="100%"><nobr>xldmem.c</nobr></td>
</tr>
</tbody></table></p>
<h2>Syntax</h2>
<p><div class="box">
<dl>
<dt><nobr>(<b>alloc</b> <i>size</i>)</nobr></dt>
<dd><i>size</i> - the number of nodes to allocate as an integer<br>
returns - the old number of nodes to allocate</dd>
</dl>
</div></p>
<h2>Description</h2>
<p>The 'alloc' function changes the number of memory nodes allocated per
segment whenever memory is expanded. <nobr>The previous</nobr> number of
nodes allocated per segment is the value returned as the result. <nobr>The
power-up</nobr> default is 1000 nodes per segment. <nobr>Note that</nobr>
'alloc' does not, itself, expand memory. You need to call the
<a href="expand.htm">expand</a> function to do the expand operation.</p>
<h2>Examples</h2>
<pre class="example">
> (room)
Nodes: 4000
Free nodes: 1669
Segments: 4
Allocate: 1000 <font color="#008844">; default ALLOC value</font>
Total: 52570
Collections: 8
NIL
> (alloc 2000) <font color="#008844">; new ALLOC value</font>
1000 <font color="#008844">; old ALLOC value</font>
> (room)
Nodes: 4000
Free nodes: 1655
Segments: 4
Allocate: 2000 <font color="#008844">; new ALLOC value</font>
Total: 52570
Collections: 8
NIL
</pre>
<p>See <a href="room.htm">room</a>.</p>
<p>See also:</p>
<ul>
<li><nobr>Contents → <a href="../manual/contents.htm#system-functions">System Functions</a></nobr></li>
</ul>
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