 child sub-domains. Thus, for instance, with this flag set a <b>name</b> of &quot;.example.com&quot; would match a peer certificate with a DNS name of &quot;www.example.com&quot;, but would not match a peer certificate with a DNS name of &quot;www.sub.example.com&quot;; this flag only applies to <b>X509_check_host</b>.</p>

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

<p>The functions return 1 for a successful match, 0 for a failed match and -1 for an internal error: typically a memory allocation failure or a