Function gio_sys::g_data_input_stream_read_until

pub unsafe extern fn g_data_input_stream_read_until(stream: *mut GDataInputStream,
                                                    stop_chars: *const c_char,
                                                    length: *mut size_t,
                                                    cancellable: *mut GCancellable,
                                                    error: *mut *mut GError)
                                                    -> *mut c_char