[#OSSL_DECODER_CONSTRUCT]
= OSSL_DECODER_CONSTRUCT
:mrdocs:

Callback that builds an application object from a decoder's provider‐native result.

== Synopsis

Declared in `<openssl/decoder.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef int OSSL_DECODER_CONSTRUCT(xref:OSSL_DECODER_INSTANCE.adoc[OSSL_DECODER_INSTANCE]*, xref:OSSL_PARAM.adoc[OSSL_PARAM] const*, void*);
----

== Return Value

1 if the object was constructed, or 0 if it could not be handled.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *decoder_inst*
| Decoder instance that produced the object.
| *params*
| Provider‐native object parameters describing the decoded result.
| *construct_data*
| Pointer previously set via OSSL_DECODER_CTX_set_construct_data().
|===


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