/* Do not change these values unless you really know what you are doing;   the pre-computed lookup tables rely on the buffer size being 4kB or   smaller. The buffer size must be a power of two. The lookahead size has   to fit into 6 bits. If you change any of these numbers, you will also   have to adjust the decompressor accordingly. */#define BUFSZ           4096#define LOOKAHEAD       60#define THRESHOLD       2#define NCHAR           (256+LOOKAHEAD-THRESHOLD)#define TABLESZ         (NCHAR+NCHAR-1)#define NIL             ((unsigned short)-1)