[#ENGINE_CMD_DEFN]
= ENGINE_CMD_DEFN
:mrdocs:

Describes one ENGINE‐specific control command for ENGINE_set_cmd_defns().

== Synopsis

Declared in `<openssl/engine.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef xref:ENGINE_CMD_DEFN_st.adoc[ENGINE_CMD_DEFN_st] ENGINE_CMD_DEFN;
----

== Description

Arrays of these are null‐terminated: the last element has cmd_num 0 and/or cmd_name NULL. Entries must be ordered by increasing cmd_num.


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