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-= nng_msg_dup(3)
-//
-// Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
-// Copyright 2018 Capitar IT Group BV <info@capitar.com>
-//
-// This document is supplied under the terms of the MIT License, a
-// copy of which should be located in the distribution where this
-// file was obtained (LICENSE.txt).  A copy of the license may also be
-// found online at https://opensource.org/licenses/MIT.
-//
-
-== NAME
-
-nng_msg_dup - duplicate a message
-
-== SYNOPSIS
-
-[source, c]
------------
-#include <nng/nng.h>
-
-int nng_msg_dup(nng_msg **dup, nng_msg_t *orig);
------------
-
-== DESCRIPTION
-
-The `nng_msg_dup()` makes a duplicate of the original message _orig_, and
-saves the result in the location pointed by _dup_.  The actual message
-body and header content is copied, but the duplicate may contain a
-different amount of unused space than the original message.
-
-== RETURN VALUES
-
-This function returns 0 on success, and non-zero otherwise.
-
-== ERRORS
-
-`NNG_ENOMEM`:: Insufficient free memory exists to duplicate a message.
-
-== SEE ALSO
-
-<<nng_msg_alloc#,nng_msg_alloc(3)>>,
-<<nng_msg_free#,nng_msg_free(3)>>,
-<<nng_strerror#,nng_strerror(3)>>,
-<<nng#,nng(7)>>