[#OSSL_PARAM_dup]
= OSSL_PARAM_dup
:mrdocs:

Deep‐copy an OSSL_PARAM array, including owned string/octet buffers.

== Synopsis

Declared in `<openssl/params.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:OSSL_PARAM.adoc[OSSL_PARAM]*
OSSL_PARAM_dup(xref:OSSL_PARAM.adoc[OSSL_PARAM] const* p);
----

== Return Value

Newly allocated copy freed with OSSL_PARAM_free(), or NULL on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *p*
| Source array terminated by OSSL_PARAM_construct_end(), or NULL.
|===


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