* static void reader_exit(struct io_conn *c, struct stdin_buffer *b)
* {
* assert(c == b->reader);
- * io_wake(b->writer, io_close(b->writer, NULL));
+ * io_wake(b->writer, io_close());
* b->reader = NULL;
* }
*
* {
* assert(c == b->writer);
* if (!b->reader)
- * return io_close(c, NULL);
+ * return io_close();
* b->len = sizeof(b->inbuf);
* io_wake(b->reader, io_read_partial(b->inbuf, &b->len, wake_writer, b));
* return io_idle();