[#SSL_dup_CA_list]
= SSL&lowbar;dup&lowbar;CA&lowbar;list
:mrdocs:

Deep&hyphen;copy a stack of CA subject names&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
stack&lowbar;st&lowbar;X509&lowbar;NAME*
SSL&lowbar;dup&lowbar;CA&lowbar;list(stack&lowbar;st&lowbar;X509&lowbar;NAME const* sk);
----

== Return Value

Newly allocated duplicate stack, or NULL on failure &sol; when `sk` is NULL&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *sk*
| Source STACK&lowbar;OF(X509&lowbar;NAME), or NULL&period;
|===


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