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diff --git a/usr/src/ucbcmd/plot/libplot/dumb/dumb.h b/usr/src/ucbcmd/plot/libplot/dumb/dumb.h
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+/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
+/* All Rights Reserved */
+
+
+#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */
+
+/*
+ * Copyright (c) 1983, 1984 1985, 1986, 1987, 1988, Sun Microsystems, Inc.
+ * All Rights Reserved.
+ */
+
+/*
+ * Copyright (c) 1980 Regents of the University of California.
+ * All rights reserved. The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ */
+
+/*
+ * This accepts plot file formats and produces the appropriate plots
+ * for dumb terminals. It can also be used for printing terminals and
+ * lineprinter listings, although there is no way to specify number of
+ * lines and columns different from your terminal. This would be easy
+ * to change, and is left as an exercise for the reader.
+ */
+
+#include <math.h>
+
+#define scale(x,y) y = LINES-1-(LINES*y/rangeY +minY); x = COLS*x/rangeX + minX
+
+extern int minX, rangeX; /* min and range of x */
+extern int minY, rangeY; /* min and range of y */
+extern int currentx, currenty;
+extern int COLS, LINES;
+
+/* A very large screen! (probably should use malloc) */
+#define MAXCOLS 132
+#define MAXLINES 90
+
+extern char screenmat[MAXCOLS][MAXLINES];