= nng_aio_set_output(3)
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//
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// Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
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// Copyright 2018 Capitar IT Group BV <info@capitar.com>
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//
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// This document is supplied under the terms of the MIT License, a
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// copy of which should be located in the distribution where this
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// file was obtained (LICENSE.txt). A copy of the license may also be
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// found online at https://opensource.org/licenses/MIT.
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//
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== NAME
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nng_aio_set_output - set output result
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== SYNOPSIS
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[source, c]
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----
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#include <nng/nng.h>
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void nng_aio_set_output(nng_aio *aio, unsigned int index, void *result);
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----
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== DESCRIPTION
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The `nng_aio_set_output()` function sets the output result at _index_
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to _result_ for the asynchronous operation associated with _aio_.
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The type and semantics of output results are determined by specific
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operations; the operation must supply appropriate output results when
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the operation completes successfully.
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The valid values of _index_ range from zero (0) to three (3), as no operation
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currently defined can return more than four results.
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(This limit could increase in the future.)
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NOTE: Note that attempts to set results with an _index_ greater than
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three (3) will be ignored.
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An output result set with this function may be retrieved later with
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the xref:nng_aio_get_output.3.adoc[`nng_aio_get_output()`] function.
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== RETURN VALUES
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None.
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== ERRORS
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None.
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== SEE ALSO
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[.text-left]
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xref:nng_aio_alloc.3.adoc[nng_aio_alloc(3)],
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xref:nng_aio_finish.3.adoc[nng_aio_finish(3)],
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xref:nng_aio_get_output.3.adoc[nng_aio_get_output(3)],
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xref:nng_aio_result.3.adoc[nng_aio_result(3)],
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xref:nng_aio.5.adoc[nng_aio(5)],
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xref:nng.7.adoc[nng(7)]
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