oxmox
7063e2102e
git-subtree-dir: external/nng git-subtree-split: 29b73962b939a6fbbf6ea8d5d7680bb06d0eeb99
53 lines
1.4 KiB
Text
53 lines
1.4 KiB
Text
= nng_aio_get_input(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_get_input - return input parameter
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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_get_input(nng_aio *aio, unsigned int index);
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----
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== DESCRIPTION
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The `nng_aio_get_input()` function returns the value of the input parameter
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previously set at _index_ on _aio_ with the
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xref:nng_aio_set_input.3.adoc[`nng_aio_set_input()`] function.
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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 accept more than four parameters.
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(This limit could increase in the future.)
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If the index supplied is outside of this range,
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or of the input parameter was not previously set, then `NULL` is returned.
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== RETURN VALUES
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Value previously set, or `NULL`.
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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_get_output.3.adoc[nng_aio_get_output(3)],
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xref:nng_aio_set_input.3.adoc[nng_aio_set_input(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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