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7    <title>Alloc</title>
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10    <h1><CODE><a href="../../../nw/Overview.html">nw</a>::<a href="../../../nw/snd/Overview.html">snd</a>::<a href="../../../nw/snd/SoundHeap/Overview.html">SoundHeap</a>::Alloc</CODE> Member Function</h1>
11    <h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">#include &lt;nw/snd/snd_SoundHeap.h&gt;
14void * Alloc(
15     size_t size,
16     <a href="../../../nw/snd/SoundHeap/DisposeCallback.html">SoundHeap::DisposeCallback</a> callback,
17     void* callbackArg
18);
19</pre>
20    </div>
21    <h2>Arguments</h2>
22    <div class="section">
23      <table class="arguments">
24        <thead>
25          <tr>
26            <td width="15" />
27            <th>Name</th>
28            <td>Description</td>
29          </tr>
30        </thead>
31        <tr>
32          <td>in</td>
33          <th><CODE>size</CODE></th>
34          <td>Memory size to be allocated.</td>
35        </tr>
36        <tr>
37          <td>in</td>
38          <th>callback</th>
39          <td>The callback function to invoke when the memory block is freed.</td>
40        </tr>
41        <tr>
42          <td>in</td>
43          <th>callbackArg</th>
44          <td>User data for the argument of the callback function.</td>
45        </tr> </table>
46    </div>
47    <h2>Return Values</h2>
48    <div class="section">Returns the starting address of the allocated memory block. </div>
49    <h2>Description</h2>
50    <div class="section">
51      <p>Allocates memory from the sound heap.</p><p>A management region is needed in each memory block. As a result, you actually need slightly more free space than the memory size being allocated (<span>size</span>). The function will fail if there is not enough space.</p><p>The callback function (<a href="../../../nw/snd/SoundHeap/Clear.html">callback</a>) is invoked when memory blocks are freed by <span><span>Clear</span></span> or <span><span>LoadState</span></span>. Set the callback to NULL if it is unnecessary.</p></div>
52    <h2>Revision History</h2>
53    <div class="section">
54      <dl class="history">
55        <dt>2009/12/28</dt>
56        <dd>Initial version.<br />
57        </dd>
58      </dl>
59    </div>
60  <hr><p>CONFIDENTIAL</p></body>
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62