[#ESS_CERT_ID_V2_dup]
= ESS&lowbar;CERT&lowbar;ID&lowbar;V2&lowbar;dup
:mrdocs:

Duplicate a ESS CertIDv2&period;

== Synopsis

Declared in `&lt;openssl&sol;ess&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:ESS_CERT_ID_V2.adoc[ESS&lowbar;CERT&lowbar;ID&lowbar;V2]*
ESS&lowbar;CERT&lowbar;ID&lowbar;V2&lowbar;dup(xref:ESS_CERT_ID_V2.adoc[ESS&lowbar;CERT&lowbar;ID&lowbar;V2] const* a);
----

== Return Value

Deep copy of `a,` or NULL on error&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| Value to copy&period;
|===


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