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= nng_aio_set_output(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_aio_set_output - set output result
== SYNOPSIS
[source, c]
----
#include <nng/nng.h>
void nng_aio_set_output(nng_aio *aio, unsigned int index, void *result);
----
== DESCRIPTION
The `nng_aio_set_output()` function sets the output result at _index_
to _result_ for the asynchronous operation associated with _aio_.
The type and semantics of output results are determined by specific
operations; the operation must supply appropriate output results when
the operation completes successfully.
The valid values of _index_ range from zero (0) to three (3), as no operation
currently defined can return more than four results.
(This limit could increase in the future.)
NOTE: Note that attempts to set results with an _index_ greater than
three (3) will be ignored.
An output result set with this function may be retrieved later with
the xref:nng_aio_get_output.3.adoc[`nng_aio_get_output()`] function.
== RETURN VALUES
None.
== ERRORS
None.
== SEE ALSO
[.text-left]
xref:nng_aio_alloc.3.adoc[nng_aio_alloc(3)],
xref:nng_aio_finish.3.adoc[nng_aio_finish(3)],
xref:nng_aio_get_output.3.adoc[nng_aio_get_output(3)],
xref:nng_aio_result.3.adoc[nng_aio_result(3)],
xref:nng_aio.5.adoc[nng_aio(5)],
xref:nng.7.adoc[nng(7)]
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