[#OSSL_DECODER_CTX_set_input_structure]
= OSSL_DECODER_CTX_set_input_structure
:mrdocs:

Set the expected ASN.1 structure name for the encoded input.

== Synopsis

Declared in `<openssl/decoder.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL_DECODER_CTX_set_input_structure(
    xref:OSSL_DECODER_CTX.adoc[OSSL_DECODER_CTX]* ctx,
    char const* input_structure);
----

== Return Value

1 on success, or 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Decoder context to configure.
| *input_structure*
| Structure name (for example "EncryptedPrivateKeyInfo"), or NULL.
|===


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