[#OSSL_ENCODER_settable_ctx_params]
= OSSL&lowbar;ENCODER&lowbar;settable&lowbar;ctx&lowbar;params
:mrdocs:

Return the OSSL&lowbar;PARAM descriptors that may be set on an encoder context&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:OSSL_PARAM.adoc[OSSL&lowbar;PARAM] const*
OSSL&lowbar;ENCODER&lowbar;settable&lowbar;ctx&lowbar;params(xref:OSSL_ENCODER.adoc[OSSL&lowbar;ENCODER]* encoder);
----

== Return Value

Array of settable parameter descriptors terminated by OSSL&lowbar;PARAM&lowbar;END, or NULL&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *encoder*
| Encoder implementation to query&period;
|===


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