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    <a href="../index-2.html">cppreference.com</a> &gt; <a href=
    "index.html">Standard C String and Character</a> &gt; <a href=
    "strtok.html">strtok</a>
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  <div class="name-format">
    strtok
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  <div class="syntax-name-format">
    Syntax:
  </div>
  <pre class="syntax-box">
  #include &lt;cstring&gt;
  char *strtok( char *str1, const char *str2 );
</pre>

  <p>The strtok() function returns a pointer to the next
  &quot;token&quot; in <em>str1</em>, where <em>str2</em> contains the
  delimiters that determine the token. strtok() returns
  <strong>NULL</strong> if no token is found. In order to convert a
  string to tokens, the first call to strtok() should have
  <em>str1</em> point to the string to be tokenized. All calls after
  this should have <em>str1</em> be <strong>NULL</strong>.</p>

  <p>For example:</p>
<pre class="prettyprint">
   char str[] = &quot;now # is the time for all # good men to come to the # aid of their country&quot;;
   char delims[] = &quot;#&quot;;
   char *result = <strong>NULL</strong>;
   result = strtok( str, delims );
   while( result != <strong>NULL</strong> ) {
       printf( &quot;result is \&quot;%s\&quot;\n&quot;, result );
       result = strtok( <strong>NULL</strong>, delims );
   }
</pre>

  <p>The above code will display the following output:</p>
<pre class="prettyprint">
   result is &quot;now &quot;
   result is &quot; is the time for all &quot;
   result is &quot; good men to come to the &quot;
   result is &quot; aid of their country&quot;
</pre>

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    Related topics:
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  <div class="related-content">
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    <a href="strrchr.html">strrchr</a><br>
    <a href="strspn.html">strspn</a><br>
    <a href="strstr.html">strstr</a>
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