[#SSL_async_callback_fn]
= SSL&lowbar;async&lowbar;callback&lowbar;fn
:mrdocs:

Callback invoked when an asynchronous SSL cryptography operation completes&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef int(* SSL&lowbar;async&lowbar;callback&lowbar;fn)(xref:SSL.adoc[SSL]*, void*);
----

== Return Value

Application&hyphen;defined status code&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *s*
| SSL connection whose async job finished&period;
| *arg*
| User argument set via SSL&lowbar;set&lowbar;async&lowbar;callback&lowbar;arg()&period;
|===


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