ue, see <a href="../man7/openssl_user_macros.html">openssl_user_macros(7)</a>:</p>

<pre><code>void OBJ_cleanup(void);</code></pre>

<h1 id="DESCRIPTION">DESCRIPTION</h1>

<p>The ASN1 object utility functions process ASN1_OBJECT structures which are a representation of the ASN1 OBJECT IDENTIFIER (OID) type. For convenience, OIDs are usually represented in source code as numeric identifiers, or <b>NID</b>s. OpenSSL has an internal table of OIDs that are generated when the library is built, and their correspo