Function cplex_rs_sys::CPXsetnodecallbackfunc

pub unsafe extern "C" fn CPXsetnodecallbackfunc(
    env: CPXENVptr,
    nodecallback: Option<unsafe extern "C" fn(xenv: CPXCENVptr, cbdata: *mut c_void, wherefrom: c_int, cbhandle: *mut c_void, nodeindex: *mut c_int, useraction: *mut c_int) -> c_int>,
    cbhandle: *mut c_void
) -> c_int