#include <iostream>

#include <boost/bind.hpp>
#include <boost/function.hpp>

// Signature
typedef int (*sasl_callback_ft)(void);

class admin {
	public:
		int callback_fun(void *context, int id, const char **result, unsigned *len) {
			return 1;
		}
};

int main(int argc, char **argv) {

	admin a;
	boost::function<int(void *, int, const char **, unsigned *)> cb =
		boost::bind(&admin::callback_fun, a, _1, _2, _3, _4);

	sasl_callback_ft cbfun = cb;

	return 0;
}