152   size_t rest;  in bio_read()  local
196   rest = size;  in bio_read()
198   assert(rest > 0);  in bio_read()
203     assert(rest <= peer_b->len);  in bio_read()
204     if (peer_b->offset + rest <= peer_b->size) {  in bio_read()
205       chunk = rest;  in bio_read()
224       assert(chunk == rest);  in bio_read()
227     rest -= chunk;  in bio_read()
228   } while (rest);  in bio_read()
235   size_t rest;  in bio_write()  local
269   rest = num;  in bio_write()
271   assert(rest > 0);  in bio_write()
277     assert(b->len + rest <= b->size);  in bio_write()
285     if (write_offset + rest <= b->size) {  in bio_write()
286       chunk = rest;  in bio_write()
298     rest -= chunk;  in bio_write()
300   } while (rest);  in bio_write()