#include <stdlib.h>
#include <string.h>
#include "lz4.h"
#include <stdint.h>

Граф включаемых заголовочных файлов для lz4.c:

Структуры данных
struct	_U16_S
struct	_U32_S
struct	_U64_S
struct	refTables

Макросы
#define	A16(x) (((U16_S *)(x))->v)
#define	A32(x) (((U32_S *)(x))->v)
#define	A64(x) (((U64_S *)(x))->v)
#define	AARCH A32
#define	BYTE uint8_t
#define	COPYLENGTH 8
#define	expect(expr, value) (expr)
#define	GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
#define	HASH64KTABLESIZE (1U<<HASHLOG64K)
#define	HASH_LOG (MEMORY_USAGE-2)
#define	HASH_MASK (HASHTABLESIZE - 1)
#define	HASHLOG64K (HASH_LOG+1)
#define	HASHTABLESIZE (1 << HASH_LOG)
#define	HEAPMODE (HASH_LOG>STACKLIMIT)
#define	HTYPE const BYTE*
#define	INITBASE(base) const int base = 0
#define	LASTLITERALS 5
#define	likely(expr) expect((expr) != 0, 1)
#define	LZ4_64KLIMIT ((1<<16) + (MFLIMIT-1))
#define	LZ4_ARCH64 0
#define	LZ4_BLINDCOPY(s, d, l) { BYTE* e=(d)+l; LZ4_WILDCOPY(s,d,e); d=e; }
#define	lz4_bswap16(x) ((unsigned short int) ((((x) >> 8) & 0xffu) \| (((x) & 0xffu) << 8)))
#define	LZ4_COPYPACKET(s, d) LZ4_COPYSTEP(s,d); LZ4_COPYSTEP(s,d);
#define	LZ4_COPYSTEP(s, d) A32(d) = A32(s); d+=4; s+=4;
#define	LZ4_HASH64K_FUNCTION(i) (((i) * 2654435761U) >> ((MINMATCH*8)-HASHLOG64K))
#define	LZ4_HASH64K_VALUE(p) LZ4_HASH64K_FUNCTION(A32(p))
#define	LZ4_HASH_FUNCTION(i) (((i) * 2654435761U) >> ((MINMATCH*8)-HASH_LOG))
#define	LZ4_HASH_VALUE(p) LZ4_HASH_FUNCTION(A32(p))
#define	LZ4_READ_LITTLEENDIAN_16(d, s, p) { d = (s) - A16(p); }
#define	LZ4_SECURECOPY LZ4_WILDCOPY
#define	LZ4_WILDCOPY(s, d, e) do { LZ4_COPYPACKET(s,d) } while (d<e);
#define	LZ4_WRITE_LITTLEENDIAN_16(p, v) { A16(p) = v; p+=2; }
#define	matchlimit (iend - LASTLITERALS)
#define	matchlimit (iend - LASTLITERALS)
#define	MAX_DISTANCE ((1 << MAXD_LOG) - 1)
#define	MAXD_LOG 16
#define	MEMORY_USAGE 14
#define	MFLIMIT (COPYLENGTH+MINMATCH)
#define	MINLENGTH (MFLIMIT+1)
#define	MINMATCH 4
#define	ML_BITS 4
#define	ML_MASK ((1U<<ML_BITS)-1)
#define	NOTCOMPRESSIBLE_DETECTIONLEVEL 6
#define	restrict
#define	RUN_BITS (8-ML_BITS)
#define	RUN_MASK ((1U<<RUN_BITS)-1)
#define	S32 int32_t
#define	SKIPSTRENGTH (NOTCOMPRESSIBLE_DETECTIONLEVEL>2?NOTCOMPRESSIBLE_DETECTIONLEVEL:2)
#define	STACKLIMIT 13
#define	STEPSIZE 4
#define	U16 uint16_t
#define	U32 uint32_t
#define	U64 uint64_t
#define	UARCH U32
#define	unlikely(expr) expect((expr) != 0, 0)

Определения типов
typedef struct _U16_S	U16_S
typedef struct _U32_S	U32_S
typedef struct _U64_S	U64_S

Функции
int	LZ4_compress (const char source, char dest, int isize)
static int	LZ4_compress64kCtx (void *ctx, const char source, char *dest, int isize, int maxOutputSize)
int	LZ4_compress_limitedOutput (const char source, char dest, int isize, int maxOutputSize)
static int	LZ4_compressCtx (void *ctx, const char source, char *dest, int isize, int maxOutputSize)
static int	LZ4_NbCommonBytes (register U32 val)
int	LZ4_uncompress (const char source, char dest, int osize)
int	LZ4_uncompress_unknownOutputSize (const char source, char dest, int isize, int maxOutputSize)