[#ENGINE_set_cmd_defns]
= ENGINE_set_cmd_defns
:mrdocs:

Attach the ENGINE_CMD_DEFN table describing control commands for an ENGINE.

== Synopsis

Declared in `<openssl/engine.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
ENGINE_set_cmd_defns(
    xref:ENGINE.adoc[ENGINE]* e,
    xref:ENGINE_CMD_DEFN.adoc[ENGINE_CMD_DEFN] const* defns);
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *e*
| ENGINE whose command definitions are replaced.
| *defns*
| NUL‐terminated array of command definitions, or NULL to clear.
|===


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