[#OSSL_STORE_open_fn]
= OSSL_STORE_open_fn
:mrdocs:

Deprecated loader callback that opens a URI and returns a loader context.

== Synopsis

Declared in `<openssl/store.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef xref:OSSL_STORE_LOADER_CTX.adoc[OSSL_STORE_LOADER_CTX]*(* OSSL_STORE_open_fn)(xref:OSSL_STORE_LOADER.adoc[OSSL_STORE_LOADER] const*, char const*, xref:UI_METHOD.adoc[UI_METHOD] const*, void*);
----

== Return Value

New OSSL_STORE_LOADER_CTX, or NULL on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *loader*
| Loader being invoked.
| *uri*
| URI without the scheme prefix handled by the registration.
| *ui_method*
| UI method for interactive input, or NULL.
| *ui_data*
| Application data for `ui_method.`
|===


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