[#EVP_ASYM_CIPHER_names_do_all]
= EVP&lowbar;ASYM&lowbar;CIPHER&lowbar;names&lowbar;do&lowbar;all
:mrdocs:

Call `fn` for each synonymous name of an asymmetric&hyphen;cipher algorithm implementation&period;

== Synopsis

Declared in `&lt;openssl&sol;evp&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP&lowbar;ASYM&lowbar;CIPHER&lowbar;names&lowbar;do&lowbar;all(
    xref:EVP_ASYM_CIPHER.adoc[EVP&lowbar;ASYM&lowbar;CIPHER] const* cipher,
    void(* fn)(char const*, void*),
    void* data);
----

== Return Value

1 on success, or 0 on failure&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *cipher*
| Asymmetric cipher method whose names are enumerated&period;
| *fn*
| Callback receiving each name and `data&period;`
| *data*
| Opaque pointer forwarded to `fn&period;`
|===


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