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  <refentry id="function.strncasecmp">
   <refnamediv>
    <refname>strncasecmp</refname>
    <refpurpose>
     Binary safe case-insensitive string comparison of the first n
     characters
    </refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>int</type><methodname>strncasecmp</methodname>
      <methodparam><type>string</type><parameter>str1</parameter></methodparam>
      <methodparam><type>string</type><parameter>str2</parameter></methodparam>
      <methodparam><type>int</type><parameter>len</parameter></methodparam>
     </methodsynopsis>
    <para>
     This function is similar to <function>strcasecmp</function>, with
     the difference that you can specify the (upper limit of the)
     number of characters (<parameter>len</parameter>) from each
     string to be used in the comparison. If any of the strings is
     shorter than <parameter>len</parameter>, then the length of that
     string will be used for the comparison.
    </para>
    <simpara> 
     Returns &lt; 0 if <parameter>str1</parameter> is less than
     <parameter>str2</parameter>; &gt; 0 if <parameter>str1</parameter>
     is greater than <parameter>str2</parameter>, and 0 if they are
     equal.
    </simpara>
    <simpara>
     See also <function>ereg</function>, <function>strcasecmp</function>,
     <function>strcmp</function>, <function>substr</function>, 
     <function>stristr</function>, and <function>strstr</function>.
    </simpara>
   </refsect1>
  </refentry>

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