[#PKCS7_stream]
= PKCS7_stream
:mrdocs:

Prepare a PKCS#7 structure for streaming BER output and return content‐boundary pointers.

== Synopsis

Declared in `<openssl/pkcs7.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
PKCS7_stream(
    unsigned char*** boundary,
    xref:PKCS7.adoc[PKCS7]* p7);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *boundary*
| Receives a pointer into the ASN.1 encoding where streaming content is spliced.
| *p7*
| PKCS#7 object prepared with streaming flags (for example PKCS7_STREAM).
|===


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