[#EVP_RAND_do_all_provided]
= EVP_RAND_do_all_provided
:mrdocs:

Invoke a callback for every RAND implementation available from activated providers.

== Synopsis

Declared in `<openssl/evp.h>`

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

== Parameters

[cols="1,4"]
|===
| Name| Description
| *libctx*
| Library context whose providers are scanned, or NULL for the default.
| *fn*
| Callback receiving each EVP_RAND and `arg.`
| *arg*
| Opaque pointer forwarded to `fn.`
|===


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