hview.h

hex editor for editing all files

/* 
 * hview.h
 * 
 *        Author: David Scott
 *  Date Started: 25-Aug-2000
 * 
 *  Modification history:
 *
 *  .000830  initial beta release
 */


#define LOCAL_ESCAPE_KEY 27     		 	      /* scancode for the ESC key */
#define OFFSET(X,Y)      ((x)-10)/3 + (((y)-1) * 16)          /* calc offset in buffer from cursor pos */
#define XOFFSET(x)       (((x)-10)/3)
#define xtoi(ch)         (((ch) < 'A')?(ch)-0x30:(ch)-0x37)   /* hex digit to int */
#define CTRL(ch)         ((ch) & 0x1f)                        /* is ch a control char */


/* function prototypes */
WINDOW *setupscr();
   int process( WINDOW *, int, char **);
  void message_loop( WINDOW *, FILE * );
   int printerr( WINDOW *,  char *, char *);
  long printscr( WINDOW *, FILE *, int);
  void printch( char );	
  void printheader( WINDOW *, int);
   int endscr();
  void edit(int); 
   int writeblock( FILE *, int, int);

/* globals */

char *buffer;

bool color;          /* is this a color term */
int screen_x;        /* max x value for term */
int screen_y;        /* max y value for term */
long totalbytes;     /* total bytes in file  */