[#OPENSSL_sk_copyfunc]
= OPENSSL_sk_copyfunc
:mrdocs:

Deep‐copy callback used by OPENSSL_sk_deep_copy() to duplicate one stack element.

== Synopsis

Declared in `<openssl/stack.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef void*(* OPENSSL_sk_copyfunc)(void const*);
----

== Return Value

Newly allocated copy of `p,` or NULL on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *p*
| Element to copy.
|===


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