[#OSSL_PARAM_construct_ulong]
= OSSL&lowbar;PARAM&lowbar;construct&lowbar;ulong
:mrdocs:

Construct an OSSL&lowbar;PARAM that locates an unsigned long value&period;

== Synopsis

Declared in `&lt;openssl&sol;params&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:OSSL_PARAM.adoc[OSSL&lowbar;PARAM]
OSSL&lowbar;PARAM&lowbar;construct&lowbar;ulong(
    char const* key,
    unsigned long* buf);
----

== Return Value

Initialized OSSL&lowbar;PARAM value (by value)&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *key*
| Parameter name&period;
| *buf*
| Address of the unsigned long to read or write&period;
|===


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