[#OSSL_PARAM_construct_double]
= OSSL&lowbar;PARAM&lowbar;construct&lowbar;double
:mrdocs:

Construct an OSSL&lowbar;PARAM describing a double located at `buf&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;double(
    char const* key,
    double* buf);
----

== Return Value

OSSL&lowbar;PARAM suitable for inclusion in a parameter array&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *key*
| Parameter name&period;
| *buf*
| Address of the double value (read or written by the callee)&period;
|===


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