[#SSL_custom_ext_free_cb_ex]
= SSL_custom_ext_free_cb_ex
:mrdocs:

Free temporary storage allocated while adding a custom TLS extension.

== Synopsis

Declared in `<openssl/ssl.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef void(* SSL_custom_ext_free_cb_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.
| *ext_type*
| TLS extension type being freed.
| *context*
| Bitmask identifying the message and conditions for this call.
| *out*
| Extension payload previously returned by the matching add callback.
| *add_arg*
| Application argument from SSL_CTX_add_custom_ext().
|===


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