[#CRYPTO_free_fn]
= CRYPTO&lowbar;free&lowbar;fn
:mrdocs:

Deallocator callback type used by CRYPTO&lowbar;set&lowbar;mem&lowbar;functions()&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef void(* CRYPTO&lowbar;free&lowbar;fn)(void*, char const*, int);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *addr*
| Memory to free (may be NULL depending on implementation)&period;
| *file*
| Source file associated with the free site&period;
| *line*
| Source line associated with the free site&period;
|===


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