zlib.h File Reference

#include "zconf.h"

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Data Structures
struct	z_stream_s
struct	gz_header_s
struct	internal_state

Macros
#define	ZLIB_VERSION   "1.2.5"
#define	ZLIB_VERNUM   0x1250
#define	ZLIB_VER_MAJOR   1
#define	ZLIB_VER_MINOR   2
#define	ZLIB_VER_REVISION   5
#define	ZLIB_VER_SUBREVISION   0
#define	Z_NO_FLUSH   0
#define	Z_PARTIAL_FLUSH   1
#define	Z_SYNC_FLUSH   2
#define	Z_FULL_FLUSH   3
#define	Z_FINISH   4
#define	Z_BLOCK   5
#define	Z_TREES   6
#define	Z_OK   0
#define	Z_STREAM_END   1
#define	Z_NEED_DICT   2
#define	Z_ERRNO   (-1)
#define	Z_STREAM_ERROR   (-2)
#define	Z_DATA_ERROR   (-3)
#define	Z_MEM_ERROR   (-4)
#define	Z_BUF_ERROR   (-5)
#define	Z_VERSION_ERROR   (-6)
#define	Z_NO_COMPRESSION   0
#define	Z_BEST_SPEED   1
#define	Z_BEST_COMPRESSION   9
#define	Z_DEFAULT_COMPRESSION   (-1)
#define	Z_FILTERED   1
#define	Z_HUFFMAN_ONLY   2
#define	Z_RLE   3
#define	Z_FIXED   4
#define	Z_DEFAULT_STRATEGY   0
#define	Z_BINARY   0
#define	Z_TEXT   1
#define	Z_ASCII   Z_TEXT /* for compatibility with 1.2.2 and earlier */
#define	Z_UNKNOWN   2
#define	Z_DEFLATED   8
#define	Z_NULL   0 /* for initializing zalloc, zfree, opaque */
#define	zlib_version   zlibVersion()
#define	deflateInit(strm, level)   deflateInit_((strm), (level), ZLIB_VERSION, sizeof(z_stream))
#define	inflateInit(strm)   inflateInit_((strm), ZLIB_VERSION, sizeof(z_stream))
#define	deflateInit2(strm, level, method, windowBits, memLevel, strategy)
#define	inflateInit2(strm, windowBits)   inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream))
#define	inflateBackInit(strm, windowBits, window)

Typedefs
typedef voidpf alloc_func	OF((voidpf opaque, uInt items, uInt size))
typedef struct z_stream_s	z_stream
typedef z_stream FAR *	z_streamp
typedef struct gz_header_s	gz_header
typedef gz_header FAR *	gz_headerp
typedef voidp	gzFile

Functions
ZEXTERN const char *ZEXPORT zlibVersion	OF ((void))
ZEXTERN int ZEXPORT deflate	OF ((z_streamp strm, int flush))
ZEXTERN int ZEXPORT deflateEnd	OF ((z_streamp strm))
ZEXTERN int ZEXPORT deflateSetDictionary	OF ((z_streamp strm, const Bytef *dictionary, uInt dictLength))
ZEXTERN int ZEXPORT deflateCopy	OF ((z_streamp dest, z_streamp source))
ZEXTERN int ZEXPORT deflateParams	OF ((z_streamp strm, int level, int strategy))
ZEXTERN int ZEXPORT deflateTune	OF ((z_streamp strm, int good_length, int max_lazy, int nice_length, int max_chain))
ZEXTERN uLong ZEXPORT deflateBound	OF ((z_streamp strm, uLong sourceLen))
ZEXTERN int ZEXPORT deflatePrime	OF ((z_streamp strm, int bits, int value))
ZEXTERN int ZEXPORT deflateSetHeader	OF ((z_streamp strm, gz_headerp head))
ZEXTERN int ZEXPORT inflateReset2	OF ((z_streamp strm, int windowBits))
ZEXTERN int ZEXPORT inflateBack	OF ((z_streamp strm, in_func in, void FAR *in_desc, out_func out, void FAR *out_desc))
ZEXTERN int ZEXPORT compress	OF ((Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen))
ZEXTERN int ZEXPORT compress2	OF ((Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen, int level))
ZEXTERN uLong ZEXPORT compressBound	OF ((uLong sourceLen))
ZEXTERN int ZEXPORT uncompress	OF ((Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen))
ZEXTERN gzFile ZEXPORT gzdopen	OF ((int fd, const char *mode))
ZEXTERN int ZEXPORT gzbuffer	OF ((gzFile file, unsigned size))
ZEXTERN int ZEXPORT gzsetparams	OF ((gzFile file, int level, int strategy))
ZEXTERN int ZEXPORT gzread	OF ((gzFile file, voidp buf, unsigned len))
ZEXTERN int ZEXPORT gzwrite	OF ((gzFile file, voidpc buf, unsigned len))
ZEXTERN int ZEXPORTVA gzprintf	OF ((gzFile file, const char *format,...))
ZEXTERN int ZEXPORT gzputs	OF ((gzFile file, const char *s))
ZEXTERN char *ZEXPORT gzgets	OF ((gzFile file, char *buf, int len))
ZEXTERN int ZEXPORT gzputc	OF ((gzFile file, int c))
ZEXTERN int ZEXPORT gzgetc	OF ((gzFile file))
ZEXTERN int ZEXPORT gzungetc	OF ((int c, gzFile file))
ZEXTERN int ZEXPORT gzflush	OF ((gzFile file, int flush))
ZEXTERN const char *ZEXPORT gzerror	OF ((gzFile file, int *errnum))
ZEXTERN uLong ZEXPORT adler32	OF ((uLong adler, const Bytef *buf, uInt len))
ZEXTERN uLong ZEXPORT crc32	OF ((uLong crc, const Bytef *buf, uInt len))
ZEXTERN int ZEXPORT deflateInit_	OF ((z_streamp strm, int level, const char *version, int stream_size))
ZEXTERN int ZEXPORT inflateInit_	OF ((z_streamp strm, const char *version, int stream_size))
ZEXTERN int ZEXPORT deflateInit2_	OF ((z_streamp strm, int level, int method, int windowBits, int memLevel, int strategy, const char *version, int stream_size))
ZEXTERN int ZEXPORT inflateInit2_	OF ((z_streamp strm, int windowBits, const char *version, int stream_size))
ZEXTERN int ZEXPORT inflateBackInit_	OF ((z_streamp strm, int windowBits, unsigned char FAR *window, const char *version, int stream_size))
ZEXTERN gzFile ZEXPORT gzopen	OF ((const char *, const char *))
ZEXTERN z_off_t ZEXPORT gzseek	OF ((gzFile, z_off_t, int))
ZEXTERN z_off_t ZEXPORT gztell	OF ((gzFile))
ZEXTERN uLong ZEXPORT adler32_combine	OF ((uLong, uLong, z_off_t))
ZEXTERN const char *ZEXPORT zError	OF ((int))
ZEXTERN int ZEXPORT inflateSyncPoint	OF ((z_streamp))
ZEXTERN int ZEXPORT inflateUndermine	OF ((z_streamp, int))

Macro Definition Documentation

#define deflateInit	(		strm,
			level
	)		deflateInit_((strm), (level), ZLIB_VERSION, sizeof(z_stream))

#define deflateInit2	(		strm,
			level,
			method,
			windowBits,
			memLevel,
			strategy
	)

Value:

deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\
                      (strategy),           ZLIB_VERSION, sizeof(z_stream))

#define inflateBackInit	(		strm,
			windowBits,
			window
	)

Value:

inflateBackInit_((strm), (windowBits), (window), \
                                            ZLIB_VERSION, sizeof(z_stream))

#define inflateInit

(

strm

)

inflateInit_((strm), ZLIB_VERSION, sizeof(z_stream))

#define inflateInit2	(		strm,
			windowBits
	)		inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream))

#define Z_ASCII   Z_TEXT /* for compatibility with 1.2.2 and earlier */

#define Z_BEST_COMPRESSION   9

#define Z_BEST_SPEED   1

#define Z_BINARY   0

#define Z_BLOCK   5

#define Z_BUF_ERROR   (-5)

#define Z_DATA_ERROR   (-3)

#define Z_DEFAULT_COMPRESSION   (-1)

#define Z_DEFAULT_STRATEGY   0

#define Z_DEFLATED   8

#define Z_ERRNO   (-1)

#define Z_FILTERED   1

#define Z_FINISH   4

#define Z_FIXED   4

#define Z_FULL_FLUSH   3

#define Z_HUFFMAN_ONLY   2

#define Z_MEM_ERROR   (-4)

#define Z_NEED_DICT   2

#define Z_NO_COMPRESSION   0

#define Z_NO_FLUSH   0

#define Z_NULL   0 /* for initializing zalloc, zfree, opaque */

#define Z_OK   0

#define Z_PARTIAL_FLUSH   1

#define Z_RLE   3

#define Z_STREAM_END   1

#define Z_STREAM_ERROR   (-2)

#define Z_SYNC_FLUSH   2

#define Z_TEXT   1

#define Z_TREES   6

#define Z_UNKNOWN   2

#define Z_VERSION_ERROR   (-6)

#define ZLIB_VER_MAJOR   1

#define ZLIB_VER_MINOR   2

#define ZLIB_VER_REVISION   5

#define ZLIB_VER_SUBREVISION   0

#define ZLIB_VERNUM   0x1250

#define ZLIB_VERSION   "1.2.5"

#define zlib_version   zlibVersion()

Typedef Documentation

typedef struct gz_header_s gz_header

typedef gz_header FAR* gz_headerp

typedef voidp gzFile

typedef int out_func OF((void FAR *, unsigned char FAR *, unsigned))

typedef struct z_stream_s z_stream

typedef z_stream FAR* z_streamp

Function Documentation

ZEXTERN const char* ZEXPORT zlibVersion OF

(

(void)

)

ZEXTERN int ZEXPORT deflate OF

(

(z_streamp strm, int flush)

)

ZEXTERN int ZEXPORT deflateEnd OF

(

(z_streamp strm)

)

ZEXTERN int ZEXPORT deflateSetDictionary OF

(

(z_streamp strm, const Bytef *dictionary, uInt dictLength)

)

ZEXTERN int ZEXPORT deflateCopy OF

(

(z_streamp dest, z_streamp source)

)

ZEXTERN int ZEXPORT deflateParams OF

(

(z_streamp strm, int level, int strategy)

)

ZEXTERN int ZEXPORT deflateTune OF

(

(z_streamp strm, int good_length, int max_lazy, int nice_length, int max_chain)

)

ZEXTERN uLong ZEXPORT deflateBound OF

(

(z_streamp strm, uLong sourceLen)

)

ZEXTERN int ZEXPORT deflatePrime OF

(

(z_streamp strm, int bits, int value)

)

ZEXTERN int ZEXPORT deflateSetHeader OF

(

(z_streamp strm, gz_headerp head)

)

ZEXTERN int ZEXPORT inflateReset2 OF

(

(z_streamp strm, int windowBits)

)

ZEXTERN int ZEXPORT inflateBack OF

(

(z_streamp strm, in_func in, void FAR *in_desc, out_func out, void FAR *out_desc)

)

ZEXTERN int ZEXPORT compress OF

(

(Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen)

)

ZEXTERN int ZEXPORT compress2 OF

(

(Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen, int level)

)

ZEXTERN uLong ZEXPORT compressBound OF

(

(uLong sourceLen)

)

ZEXTERN int ZEXPORT uncompress OF

(

(Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen)

)

ZEXTERN gzFile ZEXPORT gzdopen OF

(

(int fd, const char *mode)

)

ZEXTERN int ZEXPORT gzbuffer OF

(

(gzFile file, unsigned size)

)

ZEXTERN int ZEXPORT gzsetparams OF

(

(gzFile file, int level, int strategy)

)

ZEXTERN int ZEXPORT gzread OF

(

(gzFile file, voidp buf, unsigned len)

)

ZEXTERN int ZEXPORT gzwrite OF

(

(gzFile file, voidpc buf, unsigned len)

)

ZEXTERN int ZEXPORTVA gzprintf OF

(

(gzFile file, const char *format,...)

)

ZEXTERN int ZEXPORT gzputs OF

(

(gzFile file, const char *s)

)

ZEXTERN char* ZEXPORT gzgets OF

(

(gzFile file, char *buf, int len)

)

ZEXTERN int ZEXPORT gzputc OF

(

(gzFile file, int c)

)

ZEXTERN int ZEXPORT gzgetc OF

(

(gzFile file)

)

ZEXTERN int ZEXPORT gzungetc OF

(

(int c, gzFile file)

)

ZEXTERN int ZEXPORT gzflush OF

(

(gzFile file, int flush)

)

ZEXTERN const char* ZEXPORT gzerror OF

(

(gzFile file, int *errnum)

)

ZEXTERN uLong ZEXPORT adler32 OF

(

(uLong adler, const Bytef *buf, uInt len)

)

ZEXTERN uLong ZEXPORT crc32 OF

(

(uLong crc, const Bytef *buf, uInt len)

)

ZEXTERN int ZEXPORT deflateInit_ OF

(

(z_streamp strm, int level, const char *version, int stream_size)

)

ZEXTERN int ZEXPORT inflateInit_ OF

(

(z_streamp strm, const char *version, int stream_size)

)

ZEXTERN int ZEXPORT deflateInit2_ OF

(

(z_streamp strm, int level, int method, int windowBits, int memLevel, int strategy, const char *version, int stream_size)

)

ZEXTERN int ZEXPORT inflateInit2_ OF

(

(z_streamp strm, int windowBits, const char *version, int stream_size)

)

ZEXTERN int ZEXPORT inflateBackInit_ OF

(

(z_streamp strm, int windowBits, unsigned char FAR *window, const char *version, int stream_size)

)

ZEXTERN gzFile ZEXPORT gzopen OF

(

(const char *, const char *)

)

ZEXTERN z_off_t ZEXPORT gzseek OF

(

(gzFile, z_off_t, int)

)

ZEXTERN z_off_t ZEXPORT gztell OF

(

(gzFile)

)

ZEXTERN uLong ZEXPORT adler32_combine OF

(

(uLong, uLong, z_off_t)

)

ZEXTERN const char* ZEXPORT zError OF

(

(int)

)

ZEXTERN int ZEXPORT inflateSyncPoint OF

(

(z_streamp)

)

ZEXTERN int ZEXPORT inflateUndermine OF

(

(z_streamp, int)

)