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/*

  Copyright (c) 1990-2004 Info-ZIP.  All rights reserved.

  See the accompanying file LICENSE, version 2000-Apr-09 or later

  (the contents of which are also included in zip.h) for terms of use.

  If, for some reason, all these files are missing, the Info-ZIP license

  also may be found at:  ftp://ftp.info-zip.org/pub/infozip/license.html

*/

/*

   ttyio.h

 */

#ifndef __ttyio_h   /* don't include more than once */

#define __ttyio_h

#ifndef __crypt_h

#  include "crypt.h"  /* ensure that encryption header file has been seen */

#endif

#if (CRYPT || (defined(UNZIP) && !defined(FUNZIP)))

/*

 * Non-echo keyboard/console input support is needed and enabled.

 */

#ifndef __G         /* UnZip only, for now (DLL stuff) */

#  define __G

#  define __G__

#  define __GDEF

#  define __GPRO    void

#  define __GPRO__

#endif

#ifndef ZCONST      /* UnZip only (until have configure script like Zip) */

#  define ZCONST const

#endif

#if (defined(MSDOS) || defined(OS2) || defined(WIN32))

#  ifndef DOS_OS2_W32

#    define DOS_OS2_W32

#  endif

#endif

#if (defined(DOS_OS2_W32) || defined(__human68k__))

#  ifndef DOS_H68_OS2_W32

#    define DOS_H68_OS2_W32

#  endif

#endif

#if (defined(DOS_OS2_W32) || defined(FLEXOS))

#  ifndef DOS_FLX_OS2_W32

#    define DOS_FLX_OS2_W32

#  endif

#endif

#if (defined(DOS_H68_OS2_W32) || defined(FLEXOS))

#  ifndef DOS_FLX_H68_OS2_W32

#    define DOS_FLX_H68_OS2_W32

#  endif

#endif

#if (defined(__ATHEOS__) || defined(__BEOS__) || defined(UNIX))

#  ifndef ATH_BEO_UNX

#    define ATH_BEO_UNX

#  endif

#endif

#if (defined(VM_CMS) || defined(MVS))

#  ifndef CMS_MVS

#    define CMS_MVS

#  endif

#endif

/* Function prototypes */

/* The following systems supply a `non-echo' character input function "getch()"

 * (or an alias) and do not need the echoff() / echon() function pair.

 */

#ifdef AMIGA

#  define echoff(f)

#  define echon()

#  define getch() Agetch()

#  define HAVE_WORKING_GETCH

#endif /* AMIGA */

#ifdef ATARI

#  define echoff(f)

#  define echon()

#  include 

#  define getch() (Cnecin() & 0x000000ff)

#  define HAVE_WORKING_GETCH

#endif

#ifdef MACOS

#  define echoff(f)

#  define echon()

#  define getch() macgetch()

#  define HAVE_WORKING_GETCH

#endif

#ifdef NLM

#  define echoff(f)

#  define echon()

#  define HAVE_WORKING_GETCH

#endif

#ifdef QDOS

#  define echoff(f)

#  define echon()

#  define HAVE_WORKING_GETCH

#endif

#ifdef RISCOS

#  define echoff(f)

#  define echon()

#  define getch() SWI_OS_ReadC()

#  define HAVE_WORKING_GETCH

#endif

#ifdef DOS_H68_OS2_W32

#  define echoff(f)

#  define echon()

#  ifdef WIN32

#    ifndef getch

#      define getch() getch_win32()

#    endif

#  else /* !WIN32 */

#    ifdef __EMX__

#      ifndef getch

#        define getch() _read_kbd(0, 1, 0)

#      endif

#    else /* !__EMX__ */

#      ifdef __GO32__

#        include 

#        define getch() getkey()

#      else /* !__GO32__ */

#        include 

#      endif /* ?__GO32__ */

#    endif /* ?__EMX__ */

#  endif /* ?WIN32 */

#  define HAVE_WORKING_GETCH

#endif /* DOS_H68_OS2_W32 */

#ifdef FLEXOS

#  define echoff(f)

#  define echon()

#  define getch() getchar() /* not correct, but may not be on a console */

#  define HAVE_WORKING_GETCH

#endif

/* For VM/CMS and MVS, we do not (yet) have any support to switch terminal

 * input echo on and off. The following "fake" definitions allow inclusion

 * of crypt support and UnZip's "pause prompting" features, but without

 * any echo suppression.

 */

#ifdef CMS_MVS

#  define echoff(f)

#  define echon()

#endif

#ifdef TANDEM

#  define echoff(f)

#  define echon()

#  define getch() zgetch() /* defined in TANDEMC */

#  define HAVE_WORKING_GETCH

#endif

/* The THEOS C runtime library supplies the function conmask() to toggle

 * terminal input echo on (conmask("e")) and off (conmask("n")).  But,

 * since THEOS C RTL also contains a working non-echo getch() function,

 * the echo toggles are not needed.

 */

#ifdef THEOS

#  define echoff(f)

#  define echon()

#  define HAVE_WORKING_GETCH

#endif

/* VMS has a single echo() function in ttyio.c to toggle terminal

 * input echo on and off.

 */

#ifdef VMS

#  define echoff(f)  echo(0)

#  define echon()    echo(1)

#  define getch()    tt_getch()

#  define FGETCH(f)  tt_getch()

   int echo OF((int));

   int tt_getch OF((void));

#endif

/* For all other systems, ttyio.c supplies the two functions Echoff() and

 * Echon() for suppressing and (re)enabling console input echo.

 */

#ifndef echoff

#  define echoff(f)  Echoff(__G__ f)

#  define echon()    Echon(__G)

   void Echoff OF((__GPRO__ int f));

   void Echon OF((__GPRO));

#endif

/* this stuff is used by MORE and also now by the ctrl-S code; fileio.c only */

#if (defined(UNZIP) && !defined(FUNZIP))

#  ifdef HAVE_WORKING_GETCH

#    define FGETCH(f)  getch()

#  endif

#  ifndef FGETCH

     /* default for all systems where no getch()-like function is available */

     int zgetch OF((__GPRO__ int f));

#    define FGETCH(f)  zgetch(__G__ f)

#  endif

#endif /* UNZIP && !FUNZIP */

#if (CRYPT && !defined(WINDLL))

   char *getp OF((__GPRO__ ZCONST char *m, char *p, int n));

#endif

#else /* !(CRYPT || (UNZIP && !FUNZIP)) */

/*

 * No need for non-echo keyboard/console input; provide dummy definitions.

 */

#define echoff(f)

#define echon()

#endif /* ?(CRYPT || (UNZIP && !FUNZIP)) */

#endif /* !__ttyio_h */