[#SSL_custom_ext_free_cb_ex]
= SSL&lowbar;custom&lowbar;ext&lowbar;free&lowbar;cb&lowbar;ex
:mrdocs:

Free temporary storage allocated while adding a custom TLS extension&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef void(* SSL&lowbar;custom&lowbar;ext&lowbar;free&lowbar;cb&lowbar;ex)(xref:SSL.adoc[SSL]*, unsigned int, unsigned int, unsigned char const*, void*);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *s*
| SSL connection for which the extension was built&period;
| *ext&lowbar;type*
| TLS extension type being freed&period;
| *context*
| Bitmask identifying the message and conditions for this call&period;
| *out*
| Extension payload previously returned by the matching add callback&period;
| *add&lowbar;arg*
| Application argument from SSL&lowbar;CTX&lowbar;add&lowbar;custom&lowbar;ext()&period;
|===


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