[#CRYPTO_THREAD_cleanup_local]
= CRYPTO_THREAD_cleanup_local
:mrdocs:

Destroy a thread‐local key previously created with CRYPTO_THREAD_init_local().

== Synopsis

Declared in `<openssl/crypto.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
CRYPTO_THREAD_cleanup_local(xref:CRYPTO_THREAD_LOCAL.adoc[CRYPTO_THREAD_LOCAL]* key);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *key*
| Key to clean up (invalid after success).
|===


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