On 29 November 2013 09:29, Matthijs Möhlmann <matthijs@cacholong.nl> wrote:

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

Please, Put the Library Name in the Subject Line [1], it will save people's time. Name Boost refers to a *collection of libraries, hence Boost has nothing to do with C function pointers. [1] http://www.boost.org/community/policy.html#subject-line Best regards, -- Mateusz Loskot, http://mateusz.loskot.net