[#OSSL_CMP_CTX_set_option]
= OSSL_CMP_CTX_set_option
:mrdocs:

Set a CMP context option (OSSL_CMP_OPT_*).

== Synopsis

Declared in `<openssl/cmp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL_CMP_CTX_set_option(
    xref:OSSL_CMP_CTX.adoc[OSSL_CMP_CTX]* ctx,
    int opt,
    int val);
----

== Return Value

1 on success, 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| CMP context.
| *opt*
| Option identifier.
| *val*
| Option value.
|===


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