Function cplex_rs_sys::CPXsetlpcallbackfunc

pub unsafe extern "C" fn CPXsetlpcallbackfunc(
    env: CPXENVptr,
    callback: Option<unsafe extern "C" fn(arg1: CPXCENVptr, arg2: *mut c_void, arg3: c_int, arg4: *mut c_void) -> c_int>,
    cbhandle: *mut c_void
) -> c_int