Function CPXgetorder 

pub unsafe extern "C" fn CPXgetorder(
    env: CPXCENVptr,
    lp: CPXCLPptr,
    cnt_p: *mut c_int,
    indices: *mut c_int,
    priority: *mut c_int,
    direction: *mut c_int,
    ordspace: c_int,
    surplus_p: *mut c_int,
) -> c_int