1 #ifndef _FLATE_H_
2 #define _FLATE_H_ 1
3 #if defined(__cplusplus)
4 extern "C" { 
5 #endif
6 /*
7 #pragma	lib	"libflate.a"
8 #pragma	src	"/sys/src/libflate"
9 */
10 
11 /*
12  * errors from deflate, deflateinit, deflateblock,
13  * inflate, inflateinit, inflateblock.
14  * convertable to a string by flateerr
15  */
16 enum
17 {
18 	FlateOk			= 0,
19 	FlateNoMem		= -1,
20 	FlateInputFail		= -2,
21 	FlateOutputFail		= -3,
22 	FlateCorrupted		= -4,
23 	FlateInternal		= -5,
24 };
25 
26 int	deflateinit(void);
27 int	deflate(void *wr, int (*w)(void*, void*, int), void *rr, int (*r)(void*, void*, int), int level, int debug);
28 
29 int	inflateinit(void);
30 int	inflate(void *wr, int (*w)(void*, void*, int), void *getr, int (*get)(void*));
31 
32 int	inflateblock(uchar *dst, int dsize, uchar *src, int ssize);
33 int	deflateblock(uchar *dst, int dsize, uchar *src, int ssize, int level, int debug);
34 
35 int	deflatezlib(void *wr, int (*w)(void*, void*, int), void *rr, int (*r)(void*, void*, int), int level, int debug);
36 int	inflatezlib(void *wr, int (*w)(void*, void*, int), void *getr, int (*get)(void*));
37 
38 int	inflatezlibblock(uchar *dst, int dsize, uchar *src, int ssize);
39 int	deflatezlibblock(uchar *dst, int dsize, uchar *src, int ssize, int level, int debug);
40 
41 char	*flateerr(int err);
42 
43 ulong	*mkcrctab(ulong);
44 ulong	blockcrc(ulong *tab, ulong crc, void *buf, int n);
45 
46 ulong	adler32(ulong adler, void *buf, int n);
47 #if defined(__cplusplus)
48 }
49 #endif
50 #endif