[#OSSL_STORE_LOADER_names_do_all]
= OSSL_STORE_LOADER_names_do_all
:mrdocs:

Invoke a callback for every scheme name of a store loader.

== Synopsis

Declared in `<openssl/store.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL_STORE_LOADER_names_do_all(
    xref:OSSL_STORE_LOADER.adoc[OSSL_STORE_LOADER] const* loader,
    void(* fn)(char const*, void*),
    void* data);
----

== Return Value

1 on success, or 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *loader*
| Loader whose names are enumerated.
| *fn*
| Callback receiving each name and `data.`
| *data*
| Opaque argument passed to `fn.`
|===


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