180   size_t todo, n;  in readsamples()  local
183   todo = len * p->par.bps;  in readsamples()
185   while (todo > 0) {  in readsamples()
188     if (cc > todo)  in readsamples()
189       cc = todo;  in readsamples()
199     todo -= n;  in readsamples()
201   return len - todo / p->par.bps;  in readsamples()
208   size_t n, todo;  in writesamples()  local
210   todo = len;  in writesamples()
212   while (todo > 0) {  in writesamples()
214     if (sc > todo)  in writesamples()
215       sc = todo;  in writesamples()
221     todo -= n;  in writesamples()
224   return len - todo;  in writesamples()