SYNOPSIS
#include <nng/nng.h>
#include <nng/supplemental/http/http.h>
void *nng_http_handler_get_data(nng_http_handler *handler, void *data,
void (*dtor)(void *));DESCRIPTION
The nng_http_handler_set_data() function is used to set an additional
data for the handler. The stored data can be retrieved later
in the handler function using
nng_http_handler_get_data(3).
Additionally, when the handler is deallocated, if dtor is not NULL,
then it will be called with data as its argument. The intended use of
this function is deallocate any resources associated with data.
RETURN VALUES
This function returns 0 on success, and non-zero otherwise.
ERRORS
NNG_ENOMEM-
Insufficient free memory to perform the operation.
NNG_ENOTSUP-
No support for HTTP in the library.