[#EVP_KDF_names_do_all]
= EVP_KDF_names_do_all
:mrdocs:

Invoke `fn` for every name/alias of KDF algorithm `kdf.`

== Synopsis

Declared in `<openssl/kdf.h>`

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

== Return Value

1 on success, or 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *kdf*
| Fetched KDF algorithm.
| *fn*
| Callback receiving each name and `data.`
| *data*
| Opaque pointer forwarded to `fn.`
|===


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