[#SMIME_write_CMS]
= SMIME_write_CMS
:mrdocs:

Write a CMS_ContentInfo as an S/MIME (MIME) message to `bio.`

== Synopsis

Declared in `<openssl/cms.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
SMIME_write_CMS(
    xref:BIO.adoc[BIO]* bio,
    xref:CMS_ContentInfo.adoc[CMS_ContentInfo]* cms,
    xref:BIO.adoc[BIO]* data,
    int flags);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *bio*
| Output BIO receiving the MIME‐formatted CMS.
| *cms*
| CMS object to serialise (typically signed or enveloped data).
| *data*
| Optional content BIO for detached/streaming content, or NULL.
| *flags*
| CMS_* / SMIME_* flags controlling MIME headers and streaming.
|===


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