653     int len, size, val = 0, prevval = 0, prevextremevalid = 0,  in audioop_avgpp()  local
666     if ( size == 1 )      prevval = (int)*CHARP(cp, 0);  in audioop_avgpp()
667     else if ( size == 2 ) prevval = (int)*SHORTP(cp, 0);  in audioop_avgpp()
668     else if ( size == 4 ) prevval = (int)*LONGP(cp, 0);  in audioop_avgpp()
674         if (val != prevval) {  in audioop_avgpp()
675             diff = val < prevval;  in audioop_avgpp()
681                     sum += fabs((double)prevval - (double)prevextreme);  in audioop_avgpp()
685                 prevextreme = prevval;  in audioop_avgpp()
687             prevval = val;  in audioop_avgpp()
705     int len, size, val = 0, prevval = 0, prevextremevalid = 0,  in audioop_maxpp()  local
717     if ( size == 1 )      prevval = (int)*CHARP(cp, 0);  in audioop_maxpp()
718     else if ( size == 2 ) prevval = (int)*SHORTP(cp, 0);  in audioop_maxpp()
719     else if ( size == 4 ) prevval = (int)*LONGP(cp, 0);  in audioop_maxpp()
725         if (val != prevval) {  in audioop_maxpp()
726             diff = val < prevval;  in audioop_maxpp()
732                     if (prevval < prevextreme)  in audioop_maxpp()
734                                       (unsigned int)prevval;  in audioop_maxpp()
736                         extremediff = (unsigned int)prevval -  in audioop_maxpp()
742                 prevextreme = prevval;  in audioop_maxpp()
744             prevval = val;  in audioop_maxpp()
760     int prevval, ncross;  in audioop_cross()  local
767     prevval = 17; /* Anything <> 0,1 */  in audioop_cross()
773         if ( val != prevval ) ncross++;  in audioop_cross()
774         prevval = val;  in audioop_cross()