[#CONF_imodule_set_usr_data]
= CONF_imodule_set_usr_data
:mrdocs:

Store an opaque application pointer on a loaded configuration module instance.

== Synopsis

Declared in `<openssl/conf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
CONF_imodule_set_usr_data(
    xref:CONF_IMODULE.adoc[CONF_IMODULE]* md,
    void* usr_data);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *md*
| Module instance to update.
| *usr_data*
| Caller‐owned pointer retrieved later with CONF_imodule_get_usr_data().
|===


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