+#
+/* gsi plotting output routines */
+# define DOWN 012
+# define UP 013
+# define LEFT 010
+# define RIGHT 040
+# define BEL 007
+# define ESC 033
+# define ACK 006
+#define PLOTIN 063
+#define PLOTOUT 064
+# define CR 015
+# define FF 014
+# define VERTRESP 48
+# define HORZRESP 60.
+# define VERTRES 8.
+# define HORZRES 6.
+/* down is line feed, up is reverse line feed,
+ left is backspace, right is space. 48 points per inch
+ vertically, 60 horizontally */
+
+extern int xnow, ynow;
+extern int ITTY[3], PTTY[3], OUTF;
+extern float HEIGHT, WIDTH, OFFSET;
+extern int xscale, xoffset, yscale;
+extern float botx, boty, obotx, oboty, scalex,scaley;
+