[#CRYPTO_secure_free]
= CRYPTO_secure_free
:mrdocs:

Free memory previously allocated from the secure heap.

== Synopsis

Declared in `<openssl/crypto.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
CRYPTO_secure_free(
    void* ptr,
    char const* file,
    int line);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ptr*
| Pointer returned by CRYPTO_secure_malloc(), or NULL.
| *file*
| Source file name recorded for diagnostics (usually *FILE*).
| *line*
| Source line recorded for diagnostics (usually *LINE*).
|===


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