[#OSSL_PARAM_set_uint64]
= OSSL_PARAM_set_uint64
:mrdocs:

Store a uint64_t into an OSSL_PARAM integer buffer.

== Synopsis

Declared in `<openssl/params.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL_PARAM_set_uint64(
    xref:OSSL_PARAM.adoc[OSSL_PARAM]* p,
    uint64_t val);
----

== Return Value

1 on success, or 0 on type or size error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *p*
| Parameter whose buffer receives `val.`
| *val*
| Value to write.
|===


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