#include <nng/nng.h>
#include <nng/supplemental/http/http.h>
int nng_http_res_set_version(nng_http_res *res, const char *version);
| This documentation is for version v1.6.0 of NNG, but the latest released version is v1.10.0. see the documentation for v1.10.0 for the most up-to-date information. | 
nng_http_res_set_version(3http)
NAME
nng_http_res_set_version - set HTTP response protocol version
SYNOPSIS
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.
| No validation of the version supplied is performed. | 
| 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.  |