Makes the table for a fast CRC. */

ReleaseStream is required to finish multithreading */

Returns true if this node has no children.

Ensures there are at least 2 distance codes to support buggy decoders. Zlib 1.2.1 and below have a bug where it fails if there isn't at least 1 distan

Prints the block split points as decimal and hex values in the terminal. */

written like this in order to be callback funtion of ftw()

Stores the found sublen, distance and length in the longest match cache, if possible. */

Calculates the optimal path of lz77 lengths to use, from the calculated length_array. The length_array must contain the optimal length to reach that b

Gets distance, length and sublen values from the cache if possible. Returns 1 if it got the values from the cache, 0 if not. Updates the limit value t

Updates a running crc with the bytes buf[0..len-1] and returns the updated crc. The crc should be initialized to zero. */

Compresses the data according to the gzip specification. */

Calculates the adler32 checksum of the data */

argument c is void* so that this dtor can be given as function pointer to the vector resize function*/

read a PNG, the result will be in the same color type as the PNG (hence "generic")*/