[#OSSL_DECODER_CTX_get_num_decoders]
= OSSL_DECODER_CTX_get_num_decoders
:mrdocs:

Return how many decoder implementations are currently attached to `ctx.`

== Synopsis

Declared in `<openssl/decoder.h>`

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

== Return Value

Number of attached decoders, or 0 if `ctx` is NULL.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Decoder context to query, or NULL.
|===


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