codeblocks-ep/help/html/programmerHelp/cppreference.com/stdother/bsearch.html at master · maifeeulasad/codeblocks-ep · GitHub

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    <a href="../index-2.html">cppreference.com</a> &gt; <a href=
    "index.html">Other Standard C Functions</a> &gt; <a href=
    "bsearch.html">bsearch</a>
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  <div class="name-format">
    bsearch
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    Syntax:
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  <pre class="syntax-box">
  #include &lt;cstdlib&gt;
  void *bsearch( const void *key, const void *buf, size_t num, size_t size, int (*compare)(const void *, const void *) );
</pre>

  <p>The bsearch() function searches <em>buf[0]</em> to
  <em>buf[num-1]</em> for an item that matches <em>key</em>, using a
  binary search. The function <em>compare</em> should return negative
  if its first argument is less than its second, zero if equal, and
  positive if greater. The items in the array <em>buf</em> should be in
  ascending order. The return value of bsearch() is a pointer to the
  matching item, or <strong>NULL</strong> if none is found.</p>

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