[#OSSL_STORE_ctrl_fn]
= OSSL_STORE_ctrl_fn
:mrdocs:

Deprecated loader callback implementing OSSL_STORE_ctrl() / vctrl().

== Synopsis

Declared in `<openssl/store.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef int(* OSSL_STORE_ctrl_fn)(xref:OSSL_STORE_LOADER_CTX.adoc[OSSL_STORE_LOADER_CTX]*, int, va_list);
----

== Return Value

1 on success, or 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Loader‐specific open context.
| *cmd*
| Control command.
| *args*
| Command arguments.
|===


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