[#CMS_signed_get_attr]
= CMS_signed_get_attr
:mrdocs:

Return the signed attribute at index `loc` from a CMS SignerInfo.

== Synopsis

Declared in `<openssl/cms.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:X509_ATTRIBUTE.adoc[X509_ATTRIBUTE]*
CMS_signed_get_attr(
    xref:CMS_SignerInfo.adoc[CMS_SignerInfo] const* si,
    int loc);
----

== Return Value

Internal X509_ATTRIBUTE pointer (do not free), or NULL on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *si*
| SignerInfo whose signedAttrs set is queried.
| *loc*
| Zero‐based attribute index (0 .. CMS_signed_get_attr_count() ‐ 1).
|===


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