[#RSA_meth_set0_app_data]
= RSA_meth_set0_app_data
:mrdocs:

Attach application data to an RSA_METHOD without copying (deprecated).

== Synopsis

Declared in `<openssl/rsa.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
RSA_meth_set0_app_data(
    xref:RSA_METHOD.adoc[RSA_METHOD]* meth,
    void* app_data);
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *meth*
| Method table to update.
| *app_data*
| Opaque pointer stored on `meth` (not freed by RSA_meth_free).
|===


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