[#OSSL_PARAM_set_octet_ptr]
= OSSL_PARAM_set_octet_ptr
:mrdocs:

Set an OSSL_PARAM that references an existing octet buffer without copying.

== Synopsis

Declared in `<openssl/params.h>`

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

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *p*
| Parameter of type OSSL_PARAM_OCTET_PTR to update.
| *val*
| Address of the caller‐owned octet data.
| *used_len*
| Number of meaningful bytes at `val.`
|===


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