/* fv is a binary file editor written by Chris Hooper (cdh@mtu.edu)
 *      on 6-2-91 and has gone through many revisions since then.
 *      Much inspiration was given by Bill Moore, the first real user!
 *   Owner:  CHRISTOPHER D HOOPER
 *
 *   fv source Copyright (c) 1992 - 1998  Chris Hooper
 *
 *   Modification and redistribution is strictly prohibited.
 *   Sale of this software above media cost is prohibited.
 *
 *   Except for above two restrictions, this software may be used for
 *       any purpose, commercial and private.
 *
 *   Disclaimer:  This product is fit for no use, foreign or domestic.
 *                Use implies knowledge you intend to destroy something.
 */


#define MAXLEN	      512

#define uchar unsigned char
#define ulong unsigned long
#define uint  unsigned int

#define ESC	27
#define HEX	0
#define STRING	1
#define EDIT_STRLEN 500

extern char	out_string[];
extern uchar	*buffer;
extern ulong	*ibuffer;
extern int	buf_size;
extern int	max_buf_size;
extern int 	daddr;
extern int	addis;
extern int	chdis;
extern int	wdis;
extern int	force_ronly;
extern int	force_write;
extern int	ronly;
extern int	mode;
extern int	wdismode;
extern int 	dirty;
extern int	looping;
extern int	wpline;
extern int	cpline;
extern int	divisor;
extern int	divisor2;
extern int	divmod;
extern int	divmod2;
extern int	view_address;
extern int	global_type;
extern int	global_direction;
extern int	global_num;
extern int	prompting;
extern int	stopping;
extern int	global_special[MAXLEN];
extern int	swapmode;
extern int	swapbytes;
extern int	Swapbytes;
extern int	SWAPBYTES;
extern int	kbuffer_size;
extern int	noscreen;
extern int	filenum;
extern int	filenames;
extern char	*filename[256];
extern char	*hex;
extern ulong	fend;
extern ulong	last_viewed;
extern ulong	file_sz[];
extern uchar	ascii[];
extern uchar	global_search[MAXLEN];
extern int	alignment;

char	*strchr();
int	get_key();
void	unget_key();
void	error_exit();
void	status_mode();
int	colon_mode();
ulong 	file_end();

#define STATIC static
#define ALIGN(x) x &= ~(alignment - 1)
#define ALIGNED(x) ((x) & ~(alignment - 1))

#ifdef ALIGN_VIEW
#define VALIGN(x) ALIGN(x)
#else
#define VALIGN(x) /* */
#endif

#if defined(sun)
#	if !defined(Solaris1) && !defined(Solaris2)
#		if defined(__svr4__) || defined(__SVR4)
#		define Solaris2
#		else
#		define Solaris1
#		endif
#	endif
#	ifndef SunOS
#		define SunOS
#	endif
#endif

#if (defined(_OS9000) || defined(_OSK)) && !defined(OS9)
#	define OS9
#endif

#if defined(__FreeBSD__) && !defined(FreeBSD)
#	define FreeBSD
#endif

/* dcc defines AMIGA */
#if (defined(AMIGA) || defined(amiga)) && !defined(Amiga)
#	define Amiga
#endif

#if defined(linux) && !defined(Linux)
#	define Linux
#endif

#ifdef LITTLE_ENDIAN
#	undef LITTLE_ENDIAN
#endif

#if defined(__i486__) || defined(i386) || defined(Win32) || defined(_MPFARM) || defined(_MPF386) || defined(__i386)
#	ifndef LITTLE_ENDIAN
#		define LITTLE_ENDIAN
#	endif
#else
#	undef LITTLE_ENDIAN
#endif

#ifdef Linux
#	include <endian.h>
#	if __BYTE_ORDER == __BIG_ENDIAN
#		undef LITTLE_ENDIAN
#	else
#		ifndef LITTLE_ENDIAN
#			define LITTLE_ENDIAN
#		endif
#	endif
#endif