[#CMS_uncompress]
= CMS_uncompress
:mrdocs:

Decompress a CMS CompressedData ContentInfo to `out.`

== Synopsis

Declared in `<openssl/cms.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
CMS_uncompress(
    xref:CMS_ContentInfo.adoc[CMS_ContentInfo]* cms,
    xref:BIO.adoc[BIO]* dcont,
    xref:BIO.adoc[BIO]* out,
    unsigned int flags);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *cms*
| CompressedData ContentInfo to expand.
| *dcont*
| Optional BIO supplying detached content, or NULL when content is embedded.
| *out*
| BIO that receives the uncompressed content octets.
| *flags*
| Optional CMS flags such as CMS_TEXT.
|===


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