[#CRYPTO_free_fn]
= CRYPTO_free_fn
:mrdocs:

Deallocator callback type used by CRYPTO_set_mem_functions().

== Synopsis

Declared in `<openssl/crypto.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef void(* CRYPTO_free_fn)(void*, char const*, int);
----

== Parameters

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


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