Category : C Source Code
Archive   : BOOZ102S.ZIP
Filename : ZOO.H

/* zoo.h */

/*
The contents of this file are hereby released to the public domain.
-- Rahul Dhesi 1987/02/08
*/

#define SIZ_TEXT 20
#define FNAMESIZE 13
#define MAX_PACK 1
#define LO_TAG (0xa7dc)
#define HI_TAG (0xfdc4)

struct zoo_header {
char text[SIZ_TEXT];
unsigned lo_tag;
unsigned hi_tag;
long zoo_start;
long zoo_minus;
char major_ver;
char minor_ver;
};

struct direntry {
unsigned lo_tag;
unsigned hi_tag;
char type;
char packing_method; /* 0 = no packing, 1 = normal LZW */
long next; /* pos'n of next directory entry */
long offset; /* position of this file */
unsigned int date; /* DOS format date */
unsigned int time; /* DOS format time */
unsigned int file_crc; /* CRC of this file */
long org_size;
long size_now;
char major_ver;
char minor_ver; /* minimum version needed to extract */
char deleted; /* will be 1 if deleted, 0 if not */
long comment; /* points to comment; zero if none */
unsigned int cmt_size; /* length of comment, 0 if none */
char fname[FNAMESIZE]; /* filename */
};

/* offsets of items within the canonical zoo archive header */
#define SIZ_ZOOH 34
#define TEXT_I 0
#define ZTAG_I 20
#define ZST_I 24
#define ZSTM_I 28
#define MAJV_I 32
#define MINV_I 33

/* offsets of items within the canonical directory entry structure */
#define SIZ_DIR 51
#define DTAG_I 0
#define DTYP_I 4
#define PKM_I 5
#define NXT_I 6
#define OFS_I 10
#define DAT_I 14
#define TIM_I 16
#define CRC_I 18
#define ORGS_I 20
#define SIZNOW_I 24
#define DMAJ_I 28
#define DMIN_I 29
#define DEL_I 30
#define SPARE_I 31
#define CMT_I 32
#define CMTSIZ_I 36
#define FNAME_I 38

#define FNM_SIZ 13