[#OSSL_PARAM_construct_octet_ptr]
= OSSL_PARAM_construct_octet_ptr
:mrdocs:

Construct an OSSL_PARAM that references an existing octet buffer via pointer.

== Synopsis

Declared in `<openssl/params.h>`

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

== Return Value

OSSL_PARAM of type OSSL_PARAM_OCTET_PTR.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *key*
| Parameter name.
| *buf*
| Address of a void* that points at (or receives) the octet data.
| *bsize*
| Size of the buffer addressed by *`buf` when writing, or 0 when only reading.
|===


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