[#BUF_MEM_free]
= BUF_MEM_free
:mrdocs:

Free a BUF_MEM and its data buffer.

== Synopsis

Declared in `<openssl/buffer.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
BUF_MEM_free(xref:BUF_MEM.adoc[BUF_MEM]* a);
----

== Description

Clears `data` before release when the buffer was allocated with secure flags.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| Buffer to free, or NULL.
|===


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