Leaked source code of windows server 2003
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/*
* common.h * * Definitions common to inflate and deflate */ #include "types.h"
#define NUM_CHARS 256
#define MIN_MATCH 3
#define MAX_MATCH 258
// window size
#define WINDOW_SIZE 32768
#define WINDOW_MASK 32767
// ZIP block types
#define BLOCKTYPE_UNCOMPRESSED 0
#define BLOCKTYPE_FIXED 1
#define BLOCKTYPE_DYNAMIC 2
// it's 288 and not 286 because we of the two extra codes which can appear
// in a static block; same for 32 vs 30 for distances
#define MAX_LITERAL_TREE_ELEMENTS 288
#define MAX_DIST_TREE_ELEMENTS 32
#define END_OF_BLOCK_CODE 256
#define NUM_PRETREE_ELEMENTS 19
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