[#ASN1_TYPE_pack_sequence]
= ASN1_TYPE_pack_sequence
:mrdocs:

Encode a typed structure as a SEQUENCE and store it in an ASN1_TYPE.

== Synopsis

Declared in `<openssl/asn1.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:ASN1_TYPE.adoc[ASN1_TYPE]*
ASN1_TYPE_pack_sequence(
    xref:ASN1_ITEM.adoc[ASN1_ITEM] const* it,
    void* s,
    xref:ASN1_TYPE.adoc[ASN1_TYPE]** t);
----

== Return Value

ASN1_TYPE holding the packed SEQUENCE, or NULL on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *it*
| ASN.1 item describing the SEQUENCE type of `s.`
| *s*
| Structure instance to encode (type implied by `it).`
| *t*
| Optional destination ASN1_TYPE pointer; when non‐NULL, *`t` is reused or allocated.
|===


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