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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.3#,nng_msg_alloc(3)>>,
<<nng_msg_free.3#,nng_msg_free(3)>>,
<<nng_strerror.3#,nng_strerror(3)>>,
<<nng_msg.5#,nng_msg(5)>>,
<<nng.7#,nng(7)>>
|
