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= nng_http_res_set_version(3)
:doctype: manpage
:manmanual: nng
:mansource: nng
:manvolnum: 3
:copyright: Copyright 2018 mailto:info@staysail.tech[Staysail Systems, Inc.] + \
Copyright 2018 mailto:info@capitar.com[Capitar IT Group BV] + \
{blank} + \
This document is supplied under the terms of the \
https://opensource.org/licenses/MIT[MIT License].
== NAME
nng_http_res_set_version - set HTTP response protocol version
== SYNOPSIS
[source, c]
-----------
#include <nng/nng.h>
#include <nng/supplemental/http/http.h>
int nng_http_res_set_version(nng_http_res *res, const char *version);
-----------
== DESCRIPTION
The `nng_http_res_set_version()` sets the HTTP protocol version associated with
the response _res_ to _version_. The _version_ must be a string containing
a valid HTTP protocol version, such as "HTTP/1.0". The default value is
"HTTP/1.1".
A local copy of the _version_ is made in the response _res_.
NOTE: No validation of the version supplied is performed.
NOTE: The library does not contain support for versions of HTTP other than
"HTTP/1.0" and "HTTP/1.1". Specifying any other version may result in
unspecified behavior.
== RETURN VALUES
This function returns 0 on success, and non-zero otherwise.
== ERRORS
`NNG_ENOMEM`:: Insufficient memory to perform the operation.
`NNG_ENOTSUP`:: No support for HTTP in the library.
== SEE ALSO
<<nng_http_res_alloc#,nng_http_res_alloc(3)>>,
<<nng_http_req_get_version#,nng_http_req_get_version(3)>>,
<<nng#,nng(7)>>
== COPYRIGHT
{copyright}
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