[#SSL_CTX_sess_get_get_cb]
= SSL_CTX_sess_get_get_cb
:mrdocs:

Return the external session‐cache lookup callback installed on an SSL_CTX.

== Synopsis

Declared in `<openssl/ssl.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:SSL_SESSION.adoc[SSL_SESSION]*(*
SSL_CTX_sess_get_get_cb(xref:SSL_CTX.adoc[SSL_CTX]* ctx))(xref:ssl_st.adoc[ssl_st]*, unsigned char const*, int, int*);
----

== Return Value

Session get callback, or NULL if none is set.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| SSL context to query.
|===


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