1346             unsigned code_d, distance;  in inflateHuffmanBlock()  local
1372             distance = DISTANCEBASE[code_d];  in inflateHuffmanBlock()
1378                 distance += readBits(reader, numextrabits_d);  in inflateHuffmanBlock()
1383             if(distance > start) ERROR_BREAK(52); /*too long backward distance*/  in inflateHuffmanBlock()
1384             backward = start - distance;  in inflateHuffmanBlock()
1387             if(distance < length) {  in inflateHuffmanBlock()
1389                 lodepng_memcpy(out->data + start, out->data + backward, distance);  in inflateHuffmanBlock()
1390                 start += distance;  in inflateHuffmanBlock()
1391                 for(forward = distance; forward < length; ++forward) {  in inflateHuffmanBlock()
1548 static void addLengthDistance(uivector * values, size_t length, size_t distance)  in addLengthDistance()  argument
1558     unsigned dist_code = (unsigned)searchCodeIndex(DISTANCEBASE, 30, distance);  in addLengthDistance()
1559     unsigned extra_distance = (unsigned)(distance - DISTANCEBASE[dist_code]);  in addLengthDistance()