46 lines
1.1 KiB
Text
46 lines
1.1 KiB
Text
= nng_msg_capacity(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_msg_capacity - return message body length
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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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size_t nng_msg_capacity(nng_msg *msg);
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----
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== DESCRIPTION
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The `nng_msg_capacity()` returns the storage allocated for the body of message _msg_.
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The capacity includes the current contents of the message and free space after it.
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The message body may grow to capacity without performing any further allocations.
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== RETURN VALUES
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Allocated capacity for message body.
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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_msg_reserve.3.adoc[nng_msg_reserve(3)],
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xref:nng_msg_alloc.3.adoc[nng_msg_alloc(3)],
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xref:nng_msg_body.3.adoc[nng_msg_body(3)],
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xref:nng_msg.5.adoc[nng_msg(5)],
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xref:nng.7.adoc[nng(7)]
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