#include <nng/nng.h>
#include <nng/protocol/survey0/survey.h>
int nng_surveyor0_open(nng_socket *s);
int nng_surveyor0_open_raw(nng_socket *s);
#include <nng/nng.h>
#include <nng/protocol/survey0/survey.h>
int nng_surveyor0_open(nng_socket *s);
int nng_surveyor0_open_raw(nng_socket *s);