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#pragma pack(1)
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/* zip-archive headers
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* See: http://www.pkware.com/appnote.html
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*/
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struct eof_cdir {
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long tag; /* must be 0x06054b50 */
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short disknum;
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short firstdisk;
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short nTotalCDirThis;
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short nTotalCDir;
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long nBytesCDir;
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long ofsCDir;
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short commentlen;
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};
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struct cdir {
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long tag; /* must be 0x02014b50 */
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short version_made;
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short version_extract;
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short gp_bitflag;
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short comp_method;
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short last_mod_file_time;
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short last_mod_file_date;
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long crc32;
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long comp_size;
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long uncomp_size;
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short fname_length;
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short extra_length;
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short comment_length;
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short disknum_start;
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short int_file_attr;
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long ext_file_attr;
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long ofs_local_header;
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};
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struct fhdr {
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long tag; /* must be 0x04034b50 */
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short version_needed;
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short flags;
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short method;
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short last_mod_file_time;
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short last_mod_file_date;
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long crc32;
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long comp_size;
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long uncomp_size;
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short fname_length;
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short extra_length;
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};
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struct meta_data_hdr {
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int tag;
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int uncomp_size;
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int bitmap_size;
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};
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#pragma pack()
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/* installation scheme */
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typedef struct tagSCHEME {
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char *name;
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char *prefix;
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} SCHEME;
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typedef int (*NOTIFYPROC)(int code, LPSTR text, ...);
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extern BOOL
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extract_file(char *dst, char *src, int method, int comp_size,
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int uncomp_size, NOTIFYPROC notify);
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extern BOOL
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unzip_archive(SCHEME *scheme, char *dirname, char *data,
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DWORD size, NOTIFYPROC notify);
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extern char *
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map_new_file(DWORD flags, char *filename, char
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*pathname_part, int size,
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WORD wFatDate, WORD wFatTime,
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NOTIFYPROC callback);
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extern BOOL
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ensure_directory (char *pathname, char *new_part,
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NOTIFYPROC callback);
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/* codes for NOITIFYPROC */
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#define DIR_CREATED 1
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#define CAN_OVERWRITE 2
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#define FILE_CREATED 3
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#define ZLIB_ERROR 4
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#define SYSTEM_ERROR 5
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#define NUM_FILES 6
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#define FILE_OVERWRITTEN 7
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