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= nng_msg_alloc(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_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
[horizontal]
`NNG_ENOMEM`:: Insufficient free memory exists to allocate a message.
== SEE ALSO
[.text-left]
xref:nng_msg_free.3.adoc[nng_msg_free(3)],
xref:nng_msg_body.3.adoc[nng_msg_body(3)],
xref:nng_msg_dup.3.adoc[nng_msg_dup(3)],
xref:nng_msg_header.3.adoc[nng_msg_header(3)],
xref:nng_msg_header_len.3.adoc[nng_msg_header_len(3)],
xref:nng_msg_len.3.adoc[nng_msg_len(3)],
xref:nng_msg_capacity.3.adoc[nng_msg_capacity(3)],
xref:nng_msg_reserve.3.adoc[nng_msg_reserve(3)],
xref:nng_msg_realloc.3.adoc[nng_msg_realloc(3)],
xref:nng_strerror.3.adoc[nng_strerror(3)],
xref:nng_msg.5.adoc[nng_msg(5)],
xref:nng.7.adoc[nng(7)]
|
