[#DH_up_ref]
= DH_up_ref
:mrdocs:

Increment the reference count of a DH object (deprecated).

== Synopsis

Declared in `<openssl/dh.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
DH_up_ref(xref:DH.adoc[DH]* dh);
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Return Value

1 on success, or 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *dh*
| Diffie‐Hellman object whose reference count is increased.
|===


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