1>

<p>The OPENSSL_strcasecmp function performs a byte-by-byte comparison of the strings <b>s1</b> and <b>s2</b>, ignoring the case of the characters.</p>

<p>The OPENSSL_strncasecmp function is similar, except that it compares no more than <b>n</b> bytes of <b>s1</b> and <b>s2</b>.</p>

<p>In POSIX-compatible system and on Windows these functions use &quot;C&quot; locale for case insensitive. Otherwise the comparison is done in current locale.</p>

<h1 id="RETURN-VALUES">RETURN VALUES</h1>

<p>Both functio