#include <nng/nng.h>
#include <nng/supplemental/http/http.h>
const char *nng_http_res_get_reason(nng_http_res *res);
The nng_http_res_get_reason()
returns a string representing the
“reason phrase” associated with the response res.
This is a human-readable explanation of the status code that
would be obtained from
nng_http_res_get_status()
.