📄 aed.h
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/* * Copyright (c) 1980 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. *//* @(#)aed.h 1.1 92/07/30 SMI; from UCB 5.2 6/5/85 *//* * 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 */
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