[#CRYPTO_free]
= CRYPTO_free
:mrdocs:

Free memory previously allocated by CRYPTO_malloc() / OPENSSL_malloc().

== Synopsis

Declared in `<openssl/crypto.h>`

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

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ptr*
| Memory to free, or NULL (no‐op).
| *file*
| Source file name for tracking (usually *FILE*).
| *line*
| Source line for tracking (usually *LINE*).
|===


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