first commit

1 files changed, 994 insertions, 0 deletions

diff --git a/source/unzip/unz.h b/source/unzip/unz.h
new file mode 100644
index 0000000..1ea7478
--- /dev/null
+++ b/source/unzip/unz.h
@@ -0,0 +1,994 @@
+/*---------------------------------------------------------------------------
+
+  unzip.h
+
+  This header file is used by all of the unzip source files.  Its contents
+  are divided into seven more-or-less separate sections:  predefined macros,
+  OS-dependent includes, (mostly) OS-independent defines, typedefs, function 
+  prototypes (or "prototypes," in the case of non-ANSI compilers), macros, 
+  and global-variable declarations.
+
+  ---------------------------------------------------------------------------*/
+
+#include "zlib.h"
+
+/*****************************************/
+/*  Predefined, Machine-specific Macros  */
+/*****************************************/
+
+#if (defined(__GO32__) && defined(unix))   /* DOS extender */
+#  undef unix
+#endif
+
+#if defined(unix) || defined(__convexc__) || defined(M_XENIX)
+#  ifndef UNIX
+#    define UNIX
+#  endif /* !UNIX */
+#endif /* unix || __convexc__ || M_XENIX */
+
+/* Much of the following is swiped from zip's tailor.h: */
+
+/* define MSDOS for Turbo C (unless OS/2) and Power C as well as Microsoft C */
+#ifdef __POWERC
+#  define __TURBOC__
+#  define MSDOS
+#endif /* __POWERC */
+#if (defined(__TURBOC__) && defined(__MSDOS__) && !defined(MSDOS))
+#  define MSDOS
+#endif
+
+/* use prototypes and ANSI libraries if __STDC__, or Microsoft or Borland C,
+ * or Silicon Graphics, or Convex, or IBM C Set/2, or GNU gcc under emx, or
+ * or Watcom C, or Macintosh, or Windows NT.
+ */
+#if (__STDC__ || defined(MSDOS) || defined(sgi) || defined(CONVEX) || defined(__sun))
+#  ifndef PROTO
+#    define PROTO
+#  endif
+#  define MODERN
+#endif
+#if (defined(__IBMC__) || defined(__EMX__) || defined(__WATCOMC__))
+#  ifndef PROTO
+#    define PROTO
+#  endif
+#  define MODERN
+#endif
+#if (defined(THINK_C) || defined(MPW) || defined(WIN32))
+#  ifndef PROTO
+#    define PROTO
+#  endif
+#  define MODERN
+#endif
+
+/* turn off prototypes if requested */
+#if (defined(NOPROTO) && defined(PROTO))
+#  undef PROTO
+#endif
+
+#if (defined(ultrix) || defined(bsd4_2) || defined(sun) || defined(pyr))
+#  if (!defined(BSD) && !defined(__SYSTEM_FIVE) && !defined(SYSV))
+#    define BSD
+#  endif /* !BSD && !__SYSTEM_FIVE && !SYSV */
+#endif /* ultrix || bsd4_2 || sun || pyr */
+
+#if (defined(CONVEX) || defined(CRAY) || defined(__SYSTEM_FIVE))
+#  ifndef TERMIO
+#    define TERMIO
+#  endif /* !TERMIO */
+#endif /* CONVEX || CRAY || __SYSTEM_FIVE */
+
+#ifdef pyr  /* Pyramid */
+#  ifndef ZMEM
+#    define ZMEM
+#  endif /* !ZMEM */
+#endif /* pyr */
+
+#ifdef CRAY
+#  ifdef ZMEM
+#    undef ZMEM
+#  endif /* ZMEM */
+#endif /* CRAY */
+
+/* the i386 test below is to catch SCO Unix (which has redefinition
+ * warnings if param.h is included), but it probably doesn't hurt if
+ * other 386 Unixes get nailed, too...except now that 386BSD and BSDI
+ * exist.  Sigh.  <sys/param.h> is mostly included for "BSD", I think.
+ * [An alternate fix for SCO Unix is below.]
+ */
+#if (defined(MINIX) || (defined(i386) && defined(unix)))
+#  define NO_PARAM_H
+#endif /* MINIX || (i386 && unix) */
+
+
+
+
+
+/***************************/
+/*  OS-Dependent Includes  */
+/***************************/
+
+#ifndef MINIX            /* Minix needs it after all the other includes (?) */
+#  include <stdio.h>
+#endif
+#include <ctype.h>       /* skip for VMS, to use tolower() function? */
+#include <errno.h>       /* used in mapname() */
+#ifndef NO_ERRNO
+#  define DECLARE_ERRNO  /* everybody except MSC 6.0, SCO cc, Watcom C/386 */
+#endif /* !NO_ERRNO */
+#ifdef VMS
+#  include <types.h>     /* (placed up here instead of in VMS section below */
+#  include <stat.h>      /* because types.h is used in some other headers) */
+#else /* !VMS */
+#  if !defined(THINK_C) && !defined(MPW)
+#    include <sys/types.h>                 /* off_t, time_t, dev_t, ... */
+#    include <sys/stat.h>
+#  endif /* !THINK_C && !MPW */
+#endif /* ?VMS */
+
+#ifdef MODERN
+#  if (!defined(M_XENIX) && !(defined(__GNUC__) && defined(sun)))
+#    include <stddef.h>
+#  endif
+#  if (!defined(__GNUC__) && !defined(apollo))   /* both define __STDC__ */
+#    include <stdlib.h>    /* standard library prototypes, malloc(), etc. */
+#  else
+#    ifdef __EMX__
+#      include <stdlib.h>  /* emx IS gcc but has stdlib.h */
+#    endif
+#  endif
+#  include <string.h>      /* defines strcpy, strcmp, memcpy, etc. */
+   typedef size_t extent;
+#else /* !MODERN */
+   char *malloc();
+   char *strchr(), *strrchr();
+   long lseek();
+   typedef unsigned int extent;
+#  define void int
+#endif /* ?MODERN */
+
+/* this include must be down here for SysV.4, for some reason... */
+#include <signal.h>      /* used in unzip.c, file_io.c */
+
+
+
+/*---------------------------------------------------------------------------
+    Next, a word from our Unix (mostly) sponsors:
+  ---------------------------------------------------------------------------*/
+
+#ifdef UNIX
+#  ifdef AMIGA
+#    include <libraries/dos.h>
+#  else /* !AMIGA */
+#    ifndef NO_PARAM_H
+#if 0  /* [GRR: this is an alternate fix for SCO's redefinition bug] */
+#      ifdef NGROUPS_MAX
+#        undef NGROUPS_MAX     /* SCO bug:  defined again in <param.h> */
+#      endif /* NGROUPS_MAX */
+#endif /* 0 */
+#      include <sys/param.h>   /* conflict with <sys/types.h>, some systems? */
+#    endif /* !NO_PARAM_H */
+#  endif /* ?AMIGA */
+
+#  ifndef BSIZE
+#    ifdef MINIX
+#      define BSIZE   1024
+#    else /* !MINIX */
+#      define BSIZE   DEV_BSIZE  /* assume common for all Unix systems */
+#    endif /* ?MINIX */
+#  endif
+
+#  ifndef BSD
+#    if (!defined(AMIGA) && !defined(MINIX))
+#      define NO_MKDIR           /* for mapname() */
+#    endif /* !AMIGA && !MINIX */
+#    include <time.h>
+     struct tm *gmtime(), *localtime();
+#  else   /* BSD */
+#    include <sys/time.h>
+#    include <sys/timeb.h>
+#    ifdef _AIX
+#      include <time.h>
+#    endif
+#  endif
+
+#else   /* !UNIX */
+#  define BSIZE   512               /* disk block size */
+#endif /* ?UNIX */
+
+#if (defined(V7) || defined(BSD))
+#  define strchr    index
+#  define strrchr   rindex
+#endif
+
+/*---------------------------------------------------------------------------
+    And now, our MS-DOS and OS/2 corner:
+  ---------------------------------------------------------------------------*/
+
+#ifdef __TURBOC__
+#  define DOS_OS2
+#  include <sys/timeb.h>      /* for structure ftime                        */
+#  ifndef __BORLANDC__        /* there appears to be a bug (?) in Borland's */
+#    include <mem.h>          /*   MEM.H related to __STDC__ and far poin-  */
+#  endif                      /*   ters. (dpk)  [mem.h included for memcpy] */
+#  include <dos.h>            /* for REGS macro (at least for Turbo C 2.0)  */
+#else                         /* NOT Turbo C (or Power C)...                */
+#  ifdef MSDOS                /*   but still MS-DOS, so we'll assume it's   */
+#    ifndef MSC               /*   Microsoft's compiler and fake the ID, if */
+#      define MSC             /*   necessary (it is in 5.0; apparently not  */
+#    endif                    /*   in 5.1 and 6.0)                          */
+#    include <dos.h>          /* for _dos_setftime()                        */
+#  endif
+#endif
+
+#if (defined(__IBMC__) && defined(__OS2__))
+#  define DOS_OS2
+#  define S_IFMT 0xF000
+#  define timezone _timezone
+#endif
+
+#ifdef __WATCOMC__
+#  define DOS_OS2
+#  define __32BIT__
+#  ifdef DECLARE_ERRNO
+#    undef DECLARE_ERRNO
+#  endif
+#  undef far
+#  define far
+#endif
+
+#ifdef __EMX__
+#  define DOS_OS2
+#  define __32BIT__
+#  define far
+#endif /* __EMX__ */
+
+#ifdef MSC                    /* defined for all versions of MSC now         */
+#  define DOS_OS2             /* Turbo C under DOS, MSC under DOS or OS/2    */
+#  if (defined(_MSC_VER) && (_MSC_VER >= 600))    /* new with 5.1 or 6.0 ... */
+#    undef DECLARE_ERRNO      /* errno is now a function in a dynamic link   */
+#  endif                      /*   library (or something)--incompatible with */
+#endif                        /*   the usual "extern int errno" declaration  */
+
+#ifdef DOS_OS2                /* defined for all MS-DOS and OS/2 compilers   */
+#  include <io.h>             /* lseek(), open(), setftime(), dup(), creat() */
+#  include <time.h>           /* localtime() */
+#endif
+
+#ifdef OS2                    /* defined for all OS/2 compilers */
+#  ifdef isupper
+#    undef isupper
+#  endif
+#  ifdef tolower
+#    undef tolower
+#  endif
+#  define isupper(x)   IsUpperNLS((unsigned char)(x))
+#  define tolower(x)   ToLowerNLS((unsigned char)(x))
+#endif
+
+#ifdef WIN32
+#  include <io.h>             /* read(), open(), etc. */
+#  include <time.h>
+#  include <memory.h>
+#  include <direct.h>         /* mkdir() */
+#  ifdef FILE_IO_C
+#    include <fcntl.h>
+#    include <conio.h>
+#    include <sys\types.h>
+#    include <sys\utime.h>
+#    include <windows.h>
+#    define DOS_OS2
+#    define getch() getchar()
+#  endif
+#endif
+
+/*---------------------------------------------------------------------------
+    Followed by some VMS (mostly) stuff:
+  ---------------------------------------------------------------------------*/
+
+#ifdef VMS
+#  include <time.h>               /* the usual non-BSD time functions */
+#  include <file.h>               /* same things as fcntl.h has */
+#  include <rms.h>
+#  define _MAX_PATH NAM$C_MAXRSS  /* to define FILNAMSIZ below */
+#  define UNIX                    /* can share most of same code from now on */
+#  define RETURN    return_VMS    /* VMS interprets return codes incorrectly */
+#else /* !VMS */
+#  ifndef THINK_C
+#    define RETURN  return        /* only used in main() */
+#  else
+#    define RETURN(v) { int n;\
+                        n = (v);\
+                        fprintf(stderr, "\npress <return> to continue ");\
+                        while (getc(stdin) != '\n');\
+                        putc('\n', stderr);\
+                        InitCursor();\
+                        goto start;\
+                      }
+#  endif
+#  ifdef V7
+#    define O_RDONLY  0
+#    define O_WRONLY  1
+#    define O_RDWR    2
+#  else /* !V7 */
+#    ifdef MTS
+#      include <sys/file.h>     /* MTS uses this instead of fcntl.h */
+#      include <timeb.h>
+#      include <time.h>
+#    else /* !MTS */
+#      ifdef COHERENT           /* Coherent 3.10/Mark Williams C */
+#        include <sys/fcntl.h>
+#        define SHORT_NAMES
+#        define tzset  settz
+#      else /* !COHERENT */
+#        include <fcntl.h>      /* O_BINARY for open() w/o CR/LF translation */
+#      endif /* ?COHERENT */
+#    endif /* ?MTS */
+#  endif /* ?V7 */
+#endif /* ?VMS */
+
+#if (defined(MSDOS) || defined(VMS))
+#  define DOS_VMS
+#endif
+
+/*---------------------------------------------------------------------------
+    And some Mac stuff for good measure:
+  ---------------------------------------------------------------------------*/
+
+#ifdef THINK_C
+#  define MACOS
+#  ifndef __STDC__            /* if Think C hasn't defined __STDC__ ... */
+#    define __STDC__ 1        /*   make sure it's defined: it needs it */
+#  else /* __STDC__ defined */
+#    if !__STDC__             /* sometimes __STDC__ is defined as 0; */
+#      undef __STDC__         /*   it needs to be 1 or required header */
+#      define __STDC__ 1      /*   files are not properly included. */
+#    endif /* !__STDC__ */
+#  endif /* ?defined(__STDC__) */
+#endif /* THINK_C */
+
+#ifdef MPW
+#  define MACOS
+#  include <Errors.h>
+#  include <Files.h>
+#  include <Memory.h>
+#  include <Quickdraw.h>
+#  include <ToolUtils.h>
+#  define CtoPstr c2pstr
+#  define PtoCstr p2cstr
+#  ifdef CR
+#    undef  CR
+#  endif
+#endif /* MPW */
+
+#ifdef MACOS
+#  define open(x,y) macopen(x,y, gnVRefNum, glDirID)
+#  define close macclose
+#  define read macread
+#  define write macwrite
+#  define lseek maclseek
+#  define creat(x,y) maccreat(x, gnVRefNum, glDirID, gostCreator, gostType)
+#  define stat(x,y) macstat(x,y,gnVRefNum, glDirID)
+
+#  ifndef isascii
+#    define isascii(c) ((unsigned char)(c) <= 0x3F)
+#  endif
+
+#  include "macstat.h"
+
+typedef struct _ZipExtraHdr {
+    unsigned short header;    /*    2 bytes */
+    unsigned short data;      /*    2 bytes */
+} ZIP_EXTRA_HEADER;
+
+typedef struct _MacInfoMin {
+    unsigned short header;    /*    2 bytes */
+    unsigned short data;      /*    2 bytes */
+    unsigned long signature;  /*    4 bytes */
+    FInfo finfo;              /*   16 bytes */
+    unsigned long lCrDat;     /*    4 bytes */
+    unsigned long lMdDat;     /*    4 bytes */
+    unsigned long flags ;     /*    4 bytes */
+    unsigned long lDirID;     /*    4 bytes */
+                              /*------------*/
+} MACINFOMIN;                 /* = 40 bytes for size of data */
+
+typedef struct _MacInfo {
+    unsigned short header;    /*    2 bytes */
+    unsigned short data;      /*    2 bytes */
+    unsigned long signature;  /*    4 bytes */
+    FInfo finfo;              /*   16 bytes */
+    unsigned long lCrDat;     /*    4 bytes */
+    unsigned long lMdDat;     /*    4 bytes */
+    unsigned long flags ;     /*    4 bytes */
+    unsigned long lDirID;     /*    4 bytes */
+    char rguchVolName[28];    /*   28 bytes */
+                              /*------------*/
+} MACINFO;                    /* = 68 bytes for size of data */
+#endif /* MACOS */
+
+/*---------------------------------------------------------------------------
+    And finally, some random extra stuff:
+  ---------------------------------------------------------------------------*/
+
+#ifdef MINIX
+#  include <stdio.h>
+#endif
+
+#ifdef SHORT_NAMES         /* Mark Williams C, ...? */
+#  define extract_or_test_files    xtr_or_tst_files
+#  define extract_or_test_member   xtr_or_tst_member
+#endif
+
+#ifdef MTS
+#  include <unix.h>          /* Some important non-ANSI routines */
+#  define mkdir(s,n) (-1)    /* No "make directory" capability */
+#  define EBCDIC             /* Set EBCDIC conversion on */
+#endif
+
+
+
+
+
+/*************/
+/*  Defines  */
+/*************/
+
+#ifndef WSIZE
+#  define WSIZE 0x8000       /* window size--must be a power of two, and */
+#endif /* !WSIZE */          /*  at least 32K for zip's deflate method */
+
+#define DIR_BLKSIZ    64     /* number of directory entries per block
+                              *  (should fit in 4096 bytes, usually) */
+#ifndef INBUFSIZ
+#  define INBUFSIZ    2048   /* works for MS-DOS small model */
+#endif /* !INBUFSIZ */
+
+/*
+ * If <limits.h> exists on most systems, should include that, since it may
+ * define some or all of the following:  NAME_MAX, PATH_MAX, _POSIX_NAME_MAX,
+ * _POSIX_PATH_MAX.
+ */
+#ifdef DOS_OS2
+#  include <limits.h>
+#endif /* DOS_OS2 */
+
+#ifdef _MAX_PATH
+#  define FILNAMSIZ       (_MAX_PATH)
+#else /* !_MAX_PATH */
+#  define FILNAMSIZ       1025
+#endif /* ?_MAX_PATH */
+
+#ifndef PATH_MAX
+#  ifdef MAXPATHLEN                /* defined in <sys/param.h> some systems */
+#    define PATH_MAX      MAXPATHLEN
+#  else
+#    if FILENAME_MAX > 255         /* used like PATH_MAX on some systems */
+#      define PATH_MAX    FILENAME_MAX
+#    else
+#      define PATH_MAX    (FILNAMSIZ - 1)
+#    endif
+#  endif /* ?MAXPATHLEN */
+#endif /* !PATH_MAX */
+
+#define OUTBUFSIZ         INBUFSIZ
+
+#define ZSUFX             ".zip"
+#define CENTRAL_HDR_SIG   "\113\001\002"   /* the infamous "PK" signature */
+#define LOCAL_HDR_SIG     "\113\003\004"   /*  bytes, sans "P" (so unzip */
+#define END_CENTRAL_SIG   "\113\005\006"   /*  executable not mistaken for */
+#define EXTD_LOCAL_SIG    "\113\007\010"   /*  zipfile itself) */
+
+#define SKIP              0    /* choice of activities for do_string() */
+#define DISPLAY           1
+#define FILENAME          2
+#define EXTRA_FIELD       3
+
+#define DOES_NOT_EXIST    -1   /* return values for check_for_newer() */
+#define EXISTS_AND_OLDER  0
+#define EXISTS_AND_NEWER  1
+
+#define DOS_OS2_FAT_      0    /* version_made_by codes (central dir) */
+#define AMIGA_            1
+#define VMS_              2    /* make sure these are not defined on */
+#define UNIX_             3    /*  the respective systems!!  (like, for */
+#define VM_CMS_           4    /*  instance, "VMS", or "UNIX":  CFLAGS = */
+#define ATARI_            5    /*  -O -DUNIX) */
+#define OS2_HPFS_         6
+#define MAC_              7
+#define Z_SYSTEM_         8
+#define CPM_              9
+/* #define TOPS20_   10?  (TOPS20_ is to be defined in PKZIP 2.0...)  */
+#define NUM_HOSTS         10   /* index of last system + 1 */
+
+#define STORED            0    /* compression methods */
+#define SHRUNK            1
+#define REDUCED1          2
+#define REDUCED2          3
+#define REDUCED3          4
+#define REDUCED4          5
+#define IMPLODED          6
+#define TOKENIZED         7
+#define DEFLATED          8
+#define NUM_METHODS       9    /* index of last method + 1 */
+/* don't forget to update list_files() appropriately if NUM_METHODS changes */
+
+#define DF_MDY            0    /* date format 10/26/91 (USA only) */
+#define DF_DMY            1    /* date format 26/10/91 (most of the world) */
+#define DF_YMD            2    /* date format 91/10/26 (a few countries) */
+
+#define UNZIP_VERSION     20   /* compatible with PKUNZIP 2.0 */
+#define VMS_VERSION       42   /* if OS-needed-to-extract is VMS:  can do */
+
+/*---------------------------------------------------------------------------
+    True sizes of the various headers, as defined by PKWare--so it is not
+    likely that these will ever change.  But if they do, make sure both these
+    defines AND the typedefs below get updated accordingly.
+  ---------------------------------------------------------------------------*/
+#define LREC_SIZE     26    /* lengths of local file headers, central */
+#define CREC_SIZE     42    /*  directory headers, and the end-of-    */
+#define ECREC_SIZE    18    /*  central-dir record, respectively      */
+
+#define MAX_BITS      13                 /* used in unShrink() */
+#define HSIZE         (1 << MAX_BITS)    /* size of global work area */
+
+#define LF      10    /* '\n' on ASCII machines.  Must be 10 due to EBCDIC */
+#define CR      13    /* '\r' on ASCII machines.  Must be 13 due to EBCDIC */
+#define CTRLZ   26    /* DOS & OS/2 EOF marker (used in file_io.c, vms.c) */
+
+#ifdef EBCDIC
+#  define ascii_to_native(c)   ebcdic[(c)]
+#  define NATIVE    "EBCDIC"
+#endif
+
+#if MPW
+#  define FFLUSH    putc('\n',stderr);
+#else /* !MPW */
+#  define FFLUSH    fflush(stderr);
+#endif /* ?MPW */
+
+#ifdef VMS
+#  define ENV_UNZIP     "UNZIP_OPTS"      /* name of environment variable */
+#  define ENV_ZIPINFO   "ZIPINFO_OPTS"
+#else /* !VMS */
+#  define ENV_UNZIP     "UNZIP"
+#  define ENV_ZIPINFO   "ZIPINFO"
+#endif /* ?VMS */
+
+#ifdef CRYPT
+#  define PWLEN         80
+#  define DECRYPT(b)    (update_keys(t=((b)&0xff)^decrypt_byte()),t)
+#endif /* CRYPT */
+
+#ifdef QQ  /* Newtware version */
+#  define QCOND   (!quietflg)   /* for no file comments with -vq or -vqq */
+#else      /* (original) Bill Davidsen version  */
+#  define QCOND   (which_hdr)   /* no way to kill file comments with -v, -l */
+#endif
+
+#ifndef TRUE
+#  define TRUE      1   /* sort of obvious */
+#endif
+#ifndef FALSE
+#  define FALSE     0
+#endif
+
+#ifndef SEEK_SET        /* These should all be declared in stdio.h!  But   */
+#  define SEEK_SET  0   /*  since they're not (in many cases), do so here. */
+#  define SEEK_CUR  1
+#  define SEEK_END  2
+#endif
+
+#ifndef S_IRUSR
+#  define S_IRWXU       00700       /* read, write, execute: owner */
+#  define S_IRUSR       00400       /* read permission: owner */
+#  define S_IWUSR       00200       /* write permission: owner */
+#  define S_IXUSR       00100       /* execute permission: owner */
+#  define S_IRWXG       00070       /* read, write, execute: group */
+#  define S_IRGRP       00040       /* read permission: group */
+#  define S_IWGRP       00020       /* write permission: group */
+#  define S_IXGRP       00010       /* execute permission: group */
+#  define S_IRWXO       00007       /* read, write, execute: other */
+#  define S_IROTH       00004       /* read permission: other */
+#  define S_IWOTH       00002       /* write permission: other */
+#  define S_IXOTH       00001       /* execute permission: other */
+#endif /* !S_IRUSR */
+
+#ifdef ZIPINFO      /* these are individually checked because SysV doesn't */
+#  ifndef S_IFBLK   /*  have some of them, Microsoft C others, etc. */
+#    define   S_IFBLK     0060000     /* block special */
+#  endif
+#  ifndef S_IFIFO  /* in Borland C, not MSC */
+#    define   S_IFIFO     0010000     /* fifo */
+#  endif
+#  ifndef S_IFLNK  /* in BSD, not SysV */
+#    define   S_IFLNK     0120000     /* symbolic link */
+#  endif
+#  ifndef S_IFSOCK  /* in BSD, not SysV */
+#    define   S_IFSOCK    0140000     /* socket */
+#  endif
+#  ifndef S_ISUID
+#    define S_ISUID       04000       /* set user id on execution */
+#  endif
+#  ifndef S_ISGID
+#    define S_ISGID       02000       /* set group id on execution */
+#  endif
+#  ifndef S_ISVTX
+#    define S_ISVTX       01000       /* directory permissions control */
+#  endif
+#  ifndef S_ENFMT
+#    define S_ENFMT       S_ISGID     /* record locking enforcement flag */
+#  endif
+#endif /* ZIPINFO */
+
+
+
+
+
+/**************/
+/*  Typedefs  */
+/**************/
+
+#ifndef _BULL_SOURCE                /* Bull has it defined somewhere already */
+   typedef unsigned char  byte;     /* code assumes UNSIGNED bytes */
+#endif /* !_BULL_SOURCE */
+
+typedef char              boolean;
+typedef long              longint;
+typedef unsigned short    UWORD;
+typedef unsigned long     ULONG;
+typedef unsigned char     uch;
+typedef unsigned short    ush;
+typedef unsigned long     ulg;
+
+typedef struct min_info {
+    unsigned unix_attr;
+    unsigned dos_attr;
+    int hostnum;
+    longint offset;
+    ULONG compr_size;        /* compressed size (needed if extended header) */
+    ULONG crc;               /* crc (needed if extended header) */
+    unsigned encrypted : 1;  /* file encrypted: decrypt before uncompressing */
+    unsigned ExtLocHdr : 1;  /* use time instead of CRC for decrypt check */
+    unsigned text : 1;       /* file is text or binary */
+    unsigned lcflag : 1;     /* convert filename to lowercase */
+} min_info;
+
+typedef struct VMStimbuf {
+    char *revdate;           /* (both correspond to Unix modtime/st_mtime) */
+    char *credate;
+} VMStimbuf;
+
+/*---------------------------------------------------------------------------
+    Zipfile layout declarations.  If these headers ever change, make sure the
+    xxREC_SIZE defines (above) change with them!
+  ---------------------------------------------------------------------------*/
+
+   typedef byte   local_byte_hdr[ LREC_SIZE ];
+#      define L_VERSION_NEEDED_TO_EXTRACT_0     0
+#      define L_VERSION_NEEDED_TO_EXTRACT_1     1
+#      define L_GENERAL_PURPOSE_BIT_FLAG        2
+#      define L_COMPRESSION_METHOD              4
+#      define L_LAST_MOD_FILE_TIME              6
+#      define L_LAST_MOD_FILE_DATE              8
+#      define L_CRC32                           10
+#      define L_COMPRESSED_SIZE                 14
+#      define L_UNCOMPRESSED_SIZE               18
+#      define L_FILENAME_LENGTH                 22
+#      define L_EXTRA_FIELD_LENGTH              24
+
+   typedef byte   cdir_byte_hdr[ CREC_SIZE ];
+#      define C_VERSION_MADE_BY_0               0
+#      define C_VERSION_MADE_BY_1               1
+#      define C_VERSION_NEEDED_TO_EXTRACT_0     2
+#      define C_VERSION_NEEDED_TO_EXTRACT_1     3
+#      define C_GENERAL_PURPOSE_BIT_FLAG        4
+#      define C_COMPRESSION_METHOD              6
+#      define C_LAST_MOD_FILE_TIME              8
+#      define C_LAST_MOD_FILE_DATE              10
+#      define C_CRC32                           12
+#      define C_COMPRESSED_SIZE                 16
+#      define C_UNCOMPRESSED_SIZE               20
+#      define C_FILENAME_LENGTH                 24
+#      define C_EXTRA_FIELD_LENGTH              26
+#      define C_FILE_COMMENT_LENGTH             28
+#      define C_DISK_NUMBER_START               30
+#      define C_INTERNAL_FILE_ATTRIBUTES        32
+#      define C_EXTERNAL_FILE_ATTRIBUTES        34
+#      define C_RELATIVE_OFFSET_LOCAL_HEADER    38
+
+   typedef byte   ec_byte_rec[ ECREC_SIZE+4 ];
+/*     define SIGNATURE                         0   space-holder only */
+#      define NUMBER_THIS_DISK                  4
+#      define NUM_DISK_WITH_START_CENTRAL_DIR   6
+#      define NUM_ENTRIES_CENTRL_DIR_THS_DISK   8
+#      define TOTAL_ENTRIES_CENTRAL_DIR         10
+#      define SIZE_CENTRAL_DIRECTORY            12
+#      define OFFSET_START_CENTRAL_DIRECTORY    16
+#      define ZIPFILE_COMMENT_LENGTH            20
+
+
+   typedef struct local_file_header {                 /* LOCAL */
+       byte version_needed_to_extract[2];
+       UWORD general_purpose_bit_flag;
+       UWORD compression_method;
+       UWORD last_mod_file_time;
+       UWORD last_mod_file_date;
+       ULONG crc32;
+       ULONG compressed_size;
+       ULONG uncompressed_size;
+       UWORD filename_length;
+       UWORD extra_field_length;
+   } local_file_hdr;
+
+   typedef struct central_directory_file_header {     /* CENTRAL */
+       byte version_made_by[2];
+       byte version_needed_to_extract[2];
+       UWORD general_purpose_bit_flag;
+       UWORD compression_method;
+       UWORD last_mod_file_time;
+       UWORD last_mod_file_date;
+       ULONG crc32;
+       ULONG compressed_size;
+       ULONG uncompressed_size;
+       UWORD filename_length;
+       UWORD extra_field_length;
+       UWORD file_comment_length;
+       UWORD disk_number_start;
+       UWORD internal_file_attributes;
+       ULONG external_file_attributes;
+       ULONG relative_offset_local_header;
+   } cdir_file_hdr;
+
+   typedef struct end_central_dir_record {            /* END CENTRAL */
+       UWORD number_this_disk;
+       UWORD num_disk_with_start_central_dir;
+       UWORD num_entries_centrl_dir_ths_disk;
+       UWORD total_entries_central_dir;
+       ULONG size_central_directory;
+       ULONG offset_start_central_directory;
+       UWORD zipfile_comment_length;
+   } ecdir_rec;
+
+
+
+
+
+/*************************/
+/*  Function Prototypes  */
+/*************************/
+
+#ifndef __
+#  define __   OF
+#endif
+
+/*---------------------------------------------------------------------------
+    Decompression functions:
+  ---------------------------------------------------------------------------*/
+
+int    explode ();
+void   unReduce ();
+void   unShrink ();
+
+/*---------------------------------------------------------------------------
+    Functions in file_io.c and crypt.c:
+  ---------------------------------------------------------------------------*/
+
+int    FillBitBuffer             ();
+int    ReadByte                  __((UWORD *x));                /* file_io.c */
+
+/************/
+/*  Macros  */
+/************/
+
+#ifndef MAX
+#  define MAX(a,b)   ((a) > (b) ? (a) : (b))
+#endif
+
+#ifndef MIN
+#  define MIN(a,b)   ((a) < (b) ? (a) : (b))
+#endif
+
+
+#define LSEEK(abs_offset) {longint request=(abs_offset)+extra_bytes,\
+   inbuf_offset=request%INBUFSIZ, bufstart=request-inbuf_offset;\
+   if(request<0) {fprintf(stderr, SeekMsg, ReportMsg); return(3);}\
+   else if(bufstart!=cur_zipfile_bufstart)\
+   {cur_zipfile_bufstart=lseek(zipfd,bufstart,SEEK_SET);\
+   if((incnt=read(zipfd,(char *)inbuf,INBUFSIZ))<=0) return(51);\
+   inptr=inbuf+(int)inbuf_offset; incnt-=(int)inbuf_offset;} else\
+   {incnt+=(inptr-inbuf)-(int)inbuf_offset; inptr=inbuf+(int)inbuf_offset;}}
+
+/*
+ *  Seek to the block boundary of the block which includes abs_offset,
+ *  then read block into input buffer and set pointers appropriately.
+ *  If block is already in the buffer, just set the pointers.  This macro
+ *  is used by process_end_central_dir (unzip.c) and do_string (misc.c).
+ *  A slightly modified version is embedded within extract_or_test_files
+ *  (unzip.c).  ReadByte and readbuf (file_io.c) are compatible.
+ *
+ *  macro LSEEK(abs_offset)
+ *      ULONG   abs_offset;
+ *  {
+ *      longint   request = abs_offset + extra_bytes;
+ *      longint   inbuf_offset = request % INBUFSIZ;
+ *      longint   bufstart = request - inbuf_offset;
+ *
+ *      if (request < 0) {
+ *          fprintf(stderr, SeekMsg, ReportMsg);
+ *          return(3);             /-* 3:  severe error in zipfile *-/
+ *      } else if (bufstart != cur_zipfile_bufstart) {
+ *          cur_zipfile_bufstart = lseek(zipfd, bufstart, SEEK_SET);
+ *          if ((incnt = read(zipfd,inbuf,INBUFSIZ)) <= 0)
+ *              return(51);        /-* 51:  unexpected EOF *-/
+ *          inptr = inbuf + (int)inbuf_offset;
+ *          incnt -= (int)inbuf_offset;
+ *      } else {
+ *          incnt += (inptr-inbuf) - (int)inbuf_offset;
+ *          inptr = inbuf + (int)inbuf_offset;
+ *      }
+ *  }
+ *
+ */
+
+
+#define SKIP_(length) if(length&&((error=do_string(length,SKIP))!=0))\
+  {error_in_archive=error; if(error>1) return error;}
+
+/*
+ *  Skip a variable-length field, and report any errors.  Used in zipinfo.c
+ *  and unzip.c in several functions.
+ *
+ *  macro SKIP_(length)
+ *      UWORD   length;
+ *  {
+ *      if (length && ((error = do_string(length, SKIP)) != 0)) {
+ *          error_in_archive = error;   /-* might be warning *-/
+ *          if (error > 1)              /-* fatal *-/
+ *              return (error);
+ *      }
+ *  }
+ *
+ */
+
+#define READBIT(nbits,zdest) {if(nbits>bits_left) FillBitBuffer();\
+  zdest=(int)((UWORD)bitbuf&mask_bits[nbits]);bitbuf>>=nbits;bits_left-=nbits;}
+
+/*
+ * macro READBIT(nbits,zdest)
+ *  {
+ *      if (nbits > bits_left)
+ *          FillBitBuffer();
+ *      zdest = (int)((UWORD)bitbuf & mask_bits[nbits]);
+ *      bitbuf >>= nbits;
+ *      bits_left -= nbits;
+ *  }
+ *
+ */
+
+
+#define PEEKBIT(nbits) (nbits>bits_left? (FillBitBuffer(),\
+  (UWORD)bitbuf & mask_bits[nbits]) : (UWORD)bitbuf & mask_bits[nbits])
+
+
+#define NUKE_CRs(buf,len) {register int i,j; for (i=j=0; j<len;\
+  (buf)[i++]=(buf)[j++]) if ((buf)[j]=='\r') ++j; len=i;}
+
+/*
+ *  Remove all the ASCII carriage returns from buffer buf (length len),
+ *  shortening as necessary (note that len gets modified in the process,
+ *  so it CANNOT be an expression).  This macro is intended to be used
+ *  BEFORE A_TO_N(); hence the check for CR instead of '\r'.  NOTE:  The
+ *  if-test gets performed one time too many, but it doesn't matter.
+ *
+ *  macro NUKE_CRs(buf,len)
+ *  {
+ *      register int   i, j;
+ *
+ *      for (i = j = 0;  j < len;  (buf)[i++] = (buf)[j++])
+ *          if ((buf)[j] == CR)
+ *              ++j;
+ *      len = i;
+ *  }
+ *
+ */
+
+
+#define TOLOWER(str1,str2) {char *ps1,*ps2; ps1=(str1)-1; ps2=(str2);\
+  while(*++ps1) *ps2++=(char)(isupper((int)(*ps1))?tolower((int)(*ps1)):*ps1);\
+  *ps2='\0';}
+
+/*
+ *  Copy the zero-terminated string in str1 into str2, converting any
+ *  uppercase letters to lowercase as we go.  str2 gets zero-terminated
+ *  as well, of course.  str1 and str2 may be the same character array.
+ *
+ *  macro TOLOWER( str1, str2 )
+ *  {
+ *      char  *ps1, *ps2;
+ *
+ *      ps1 = (str1) - 1;
+ *      ps2 = (str2);
+ *      while (*++ps1)
+ *          *ps2++ = (char)(isupper((int)(*ps1))? tolower((int)(*ps1)) : *ps1);
+ *      *ps2='\0';
+ *  }
+ *
+ *  NOTES:  This macro makes no assumptions about the characteristics of
+ *    the tolower() function or macro (beyond its existence), nor does it
+ *    make assumptions about the structure of the character set (i.e., it
+ *    should work on EBCDIC machines, too).  The fact that either or both
+ *    of isupper() and tolower() may be macros has been taken into account;
+ *    watch out for "side effects" (in the C sense) when modifying this
+ *    macro.
+ */
+
+
+#ifndef ascii_to_native
+#  define ascii_to_native(c)   (c)
+#  define A_TO_N(str1)
+#else
+#  ifndef NATIVE
+#    define NATIVE     "native chars"
+#  endif
+#  define A_TO_N(str1) {register unsigned char *ps1;\
+     for (ps1=str1; *ps1; ps1++) *ps1=ascii_to_native(*ps1);}
+#endif
+
+/*
+ *  Translate the zero-terminated string in str1 from ASCII to the native
+ *  character set. The translation is performed in-place and uses the
+ *  ascii_to_native macro to translate each character.
+ *
+ *  macro A_TO_N( str1 )
+ *  {
+ *      register unsigned char *ps1;
+ *
+ *      for (ps1 = str1;  *ps1;  ++ps1)
+ *          *ps1 = ascii_to_native(*ps1);
+ *  }
+ *
+ *  NOTE:  Using the ascii_to_native macro means that is it the only part of
+ *    unzip which knows which translation table (if any) is actually in use
+ *    to produce the native character set.  This makes adding new character
+ *    set translation tables easy, insofar as all that is needed is an
+ *    appropriate ascii_to_native macro definition and the translation
+ *    table itself.  Currently, the only non-ASCII native character set
+ *    implemented is EBCDIC, but this may not always be so.
+ */
+
+/*************/
+/*  Globals  */
+/*************/
+
+#ifdef MACOS
+   union work {
+     struct {
+       short *Prefix_of;        /* (8193 * sizeof(short)) */
+       byte *Suffix_of;
+       byte *Stack;
+     } shrink;
+     byte *Slide;
+   };
+#else
+   union work {
+     struct {
+       short Prefix_of[HSIZE + 2];      /* (8194 * sizeof(short)) */
+       byte Suffix_of[HSIZE + 2];       /* also s-f length_nodes (smaller) */
+       byte Stack[HSIZE + 2];           /* also s-f distance_nodes (smaller) */
+     } shrink;
+     byte Slide[WSIZE];
+   };
+#endif
+   extern union work area;
+
+#  define prefix_of area.shrink.Prefix_of
+#  define suffix_of area.shrink.Suffix_of
+#  define stack area.shrink.Stack
+#  define slide area.Slide
+
+   extern ULONG     crc32val;
+   extern UWORD     mask_bits[];
+   extern int       bits_left;
+   extern ULONG     bitbuf;
+   extern boolean   zipeof;
+