pub unsafe extern "C" fn DSA_generate_parameters(
    bits: c_int,
    seed: *mut c_uchar,
    seed_len: c_int,
    counter_ret: *mut c_int,
    h_ret: *mut c_ulong,
    callback: Option<unsafe extern "C" fn(arg1: c_int, arg2: c_int, arg3: *mut c_void)>,
    cb_arg: *mut c_void
) -> *mut DSA