1155     int best_len = s->prev_length;              /* best match length so far */  in longest_match()  local
1171     register ush scan_end   = *(ushf*)(scan+best_len-1);  in longest_match()
1174     register Byte scan_end1  = scan[best_len-1];  in longest_match()
1175     register Byte scan_end   = scan[best_len];  in longest_match()
1210         if (*(ushf*)(match+best_len-1) != scan_end ||  in longest_match()
1241         if (match[best_len]   != scan_end  ||  in longest_match()
1242             match[best_len-1] != scan_end1 ||  in longest_match()
1272         if (len > best_len) {  in longest_match()
1274             best_len = len;  in longest_match()
1277             scan_end = *(ushf*)(scan+best_len-1);  in longest_match()
1279             scan_end1  = scan[best_len-1];  in longest_match()
1280             scan_end   = scan[best_len];  in longest_match()
1286     if ((uInt)best_len <= s->lookahead) return (uInt)best_len;  in longest_match()