[#EVP_MAC_CTX_get0_mac]
= EVP_MAC_CTX_get0_mac
:mrdocs:

Return the EVP_MAC associated with a MAC context.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:EVP_MAC.adoc[EVP_MAC]*
EVP_MAC_CTX_get0_mac(xref:EVP_MAC_CTX.adoc[EVP_MAC_CTX]* ctx);
----

== Return Value

Internal EVP_MAC pointer (do not free), or NULL if unset.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| MAC context to query.
|===


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