[#PKCS7_get_smimecap]
= PKCS7&lowbar;get&lowbar;smimecap
:mrdocs:

Return the SMIMECapabilities attribute from a PKCS&num;7 signer info&period;

== Synopsis

Declared in `&lt;openssl&sol;pkcs7&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
stack&lowbar;st&lowbar;X509&lowbar;ALGOR*
PKCS7&lowbar;get&lowbar;smimecap(xref:PKCS7_SIGNER_INFO.adoc[PKCS7&lowbar;SIGNER&lowbar;INFO]* si);
----

== Return Value

Stack of X509&lowbar;ALGOR capability descriptors, or NULL if absent&semi; do not free&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *si*
| Signer info whose authenticated attributes are searched&period;
|===


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