[#BIO_ADDR_dup]
= BIO_ADDR_dup
:mrdocs:

Duplicate a BIO_ADDR, copying its family and address bytes.

== Synopsis

Declared in `<openssl/bio.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BIO_ADDR.adoc[BIO_ADDR]*
BIO_ADDR_dup(xref:BIO_ADDR.adoc[BIO_ADDR] const* ap);
----

== Return Value

Newly allocated copy, or NULL on failure / if `ap` is NULL.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ap*
| Address to copy, or NULL.
|===


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