[#OSSL_STORE_LOADER_set_expect]
= OSSL_STORE_LOADER_set_expect
:mrdocs:

Set the expect callback on a deprecated ENGINE‐based store loader.

== Synopsis

Declared in `<openssl/store.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
OSSL_STORE_LOADER_set_expect(
    xref:OSSL_STORE_LOADER.adoc[OSSL_STORE_LOADER]* loader,
    xref:OSSL_STORE_expect_fn.adoc[OSSL_STORE_expect_fn] expect_function);
----

[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 error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *loader*
| Loader from OSSL_STORE_LOADER_new().
| *expect_function*
| Callback invoked by OSSL_STORE_expect().
|===


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