[#OSSL_PARAM_construct_double]
= OSSL_PARAM_construct_double
:mrdocs:

Construct an OSSL_PARAM describing a double located at `buf.`

== Synopsis

Declared in `<openssl/params.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:OSSL_PARAM.adoc[OSSL_PARAM]
OSSL_PARAM_construct_double(
    char const* key,
    double* buf);
----

== Return Value

OSSL_PARAM suitable for inclusion in a parameter array.

== Parameters

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


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