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    <a href="../index-2.html">cppreference.com</a> &gt; <a href=
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    "srand.html">srand</a>
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    srand
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    Syntax:
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  #include &lt;cstdlib&gt;
  void srand( unsigned seed );
</pre>

  <p>The function srand() is used to seed the random sequence generated
  by <a href="rand.html">rand</a>(). For any given <em>seed</em>,
  rand() will generate a specific &quot;random&quot; sequence over and
  over again.</p>
<pre class="prettyprint">
   srand( time(<strong>NULL</strong>) );
   for( i = 0; i &lt; 10; i++ )
     printf( &quot;Random number #%d: %d\n&quot;, i, rand() );
</pre>

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    Related topics:
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    <a href="rand.html">rand</a><br>
    (Standard C Date &amp; Time) <a href=
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