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lzh.h

#define FILEHDRSIZE     22
#define TOTALSIZE 64
#define L_HSIZE         0
#define L_HCRC          1
#define L_METHOD  2
#define L_PSIZE         7
#define L_UPSIZE  11
#define L_LASTMOD 15
#define L_ATTRIBUTE     19

/* Level 0 and level 1 headers */
#define L_NLENGTH 21
#define L_NAME          22
/* Offset after name */
#define L_CRC           0
#define L_ETYPE         2
#define L_EXTENDSZ      3
#define L_EXTEND  4

/* Level 2 header */
#define L_2CRC          21
#define L_2ETYPE  23
#define L_2EXTENDSZ     24
#define L_2EXTEND 25

/* Extension definition, EXTEND defines the size of the extension. */
#define L_KIND          0     /* After EXTEND */
#define L_ENAME         2     /* Extension name, EXTEND-3 bytes long */
/* Offset after name */
#define L_EEXTENDSZ     0
#define L_EEXTEND 1

typedef struct fileHdr { /* 58 bytes */
      unsigned char     hsize;
      unsigned char     hcrc;
      char        method[5];
      unsigned long     psize;
      unsigned long     upsize;
      unsigned long     lastmod;
      unsigned short    attribute;
      unsigned char     nlength;
      char        name[32];
      unsigned short    crc;
      unsigned char     etype;
      unsigned char     extendsize;
      char        *extend;
      char        *data;
};

/* Currently known methods: */
#define     lh0   0
#define     lh1   1
#define lh2 2
#define lh3 3
#define lh4 4
#define     lh5   5
#define lz4 6
#define     lz5   7
#define     lzs   8

extern char *lzh_pointer;
extern char *lzh_data;
extern char *lzh_finfo;
extern int lzh_fsize;
extern int lzh_kind;
extern char *lzh_file;


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