366   sox_sample_t *abuf, *bbuf, *cbuf, *oldabuf, *ibuf_copy;  in flow()  local
384   for (band=0,abuf=ibuf_copy,bbuf=c->band_buf2,cbuf=c->band_buf1;band<c->nBands;++band) {  in flow()
388       crossover_flow(effp, &l->filter, abuf, bbuf, cbuf, len);  in flow()
390       bbuf = abuf;  in flow()
391       abuf = cbuf;  in flow()
393     if (abuf == ibuf_copy)  in flow()
394       abuf = c->band_buf3;  in flow()
395     (void)sox_mcompand_flow_1(effp, c,l,bbuf,abuf,len, (size_t)effp->out_signal.channels);  in flow()
398       out = (double)obuf[i] + (double)abuf[i];  in flow()
402     oldabuf = abuf;  in flow()
403     abuf = cbuf;  in flow()