usr/src/lib/libplot/aed/aed.h

/*      aed.h   4.1     83/11/11        */
/*
 * Displays plot files on an AED512 graphics terminal.
 */

#include <stdio.h>
#include <sgtty.h>

extern char dbuf[BUFSIZ];       /* Used to buffer display characters */
extern struct sgttyb sgttyb;    /* Used to save terminal control bits */
extern curx, cury;              /* Current screen position */
extern int xbot, ybot;          /* Coordinates of screen lower-left corner */
extern int scale;               /* The number of pixels per 2**12 units
                                 * of world coordinates.
                                 */

/* The following variables describe the screen. */

#define GRXMAX  511     /* Maximum x-coordinate of screen */
#define GRYMAX  482     /* Maximum y-coordinate of screen */