[#ENGINE_GEN_INT_FUNC_PTR]
= ENGINE&lowbar;GEN&lowbar;INT&lowbar;FUNC&lowbar;PTR
:mrdocs:

Generic ENGINE callback receiving the ENGINE being operated on&period;

== Synopsis

Declared in `&lt;openssl&sol;engine&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef int(* ENGINE&lowbar;GEN&lowbar;INT&lowbar;FUNC&lowbar;PTR)(xref:ENGINE.adoc[ENGINE]*);
----

== Return Value

Implementation&hyphen;defined status&semi; typically nonzero for success&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *e*
| ENGINE passed to the callback&period;
|===


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