[#EVP_KEYEXCH_do_all_provided]
= EVP_KEYEXCH_do_all_provided
:mrdocs:

Invoke a callback for every key‐exchange algorithm available from providers.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
EVP_KEYEXCH_do_all_provided(
    xref:OSSL_LIB_CTX.adoc[OSSL_LIB_CTX]* libctx,
    void(* fn)(xref:EVP_KEYEXCH.adoc[EVP_KEYEXCH]*, void*),
    void* data);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *libctx*
| Library context to search, or NULL for the default.
| *fn*
| Callback receiving each EVP_KEYEXCH and `data.`
| *data*
| Opaque pointer forwarded to `fn.`
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#