Function std::zlib_compress
struct Vec<unsigned char> zlib_compress([]const unsigned char data, int level)2-byte header + raw DEFLATE + big-endian Adler-32 — HTTP's "Content-Encoding: deflate".
struct Vec<unsigned char> zlib_compress([]const unsigned char data, int level)2-byte header + raw DEFLATE + big-endian Adler-32 — HTTP's "Content-Encoding: deflate".