[#OSSL_PARAM_get_uint64]
= OSSL_PARAM_get_uint64
:mrdocs:

Read an OSSL_PARAM value as a uint64_t (with allowed integer type coercion).

== Synopsis

Declared in `<openssl/params.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL_PARAM_get_uint64(
    xref:OSSL_PARAM.adoc[OSSL_PARAM] const* p,
    uint64_t* val);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *p*
| Parameter locating the value.
| *val*
| Receives the converted integer on success.
|===


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