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= nng_msg_alloc(3)
:doctype: manpage
:manmanual: nng
:mansource: nng
:manvolnum: 3
:copyright: Copyright 2018 mailto:info@staysail.tech[Staysail Systems, Inc.] + \
Copyright 2018 mailto:info@capitar.com[Capitar IT Group BV] + \
{blank} + \
This document is supplied under the terms of the \
https://opensource.org/licenses/MIT[MIT License].
== NAME
nng_msg_alloc - allocate a message
== SYNOPSIS
[source, c]
-----------
#include <nng/nng.h>
int nng_msg_alloc(nng_msg **msgp, size_t size);
-----------
== DESCRIPTION
The `nng_msg_alloc()` function allocates a new message with body length _size_
and stores the result in __msgp__.
Messages allocated with this function contain a body and optionally a header.
They are used with receive and transmit functions.
== RETURN VALUES
This function returns 0 on success, and non-zero otherwise.
== ERRORS
`NNG_ENOMEM`:: Insufficient free memory exists to allocate a message.
== SEE ALSO
<<nng_msg_free#,nng_msg_free(3)>>,
<<nng_msg_body#,nng_msg_body(3)>>,
<<nng_msg_dup#,nng_msg_dup(3)>>,
<<nng_msg_header#,nng_msg_header(3)>>,
<<nng_msg_header_len#,nng_msg_header_len(3)>>,
<<nng_msg_len#,nng_msg_len(3)>>,
<<nng_msg_realloc#,nng_msg_realloc(3)>>,
<<nng_strerror#,nng_strerror(3)>>,
<<nng#,nng(7)>>
== COPYRIGHT
{copyright}
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