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23af587)
SCCS-vsn: lib/libplot/vt0/subr.c 4.1
--- /dev/null
+#ifndef lint
+static char sccsid[] = "@(#)subr.c 4.1 (Berkeley) %G%";
+#endif
+
+extern float obotx;
+extern float oboty;
+extern float boty;
+extern float botx;
+extern float scalex;
+extern float scaley;
+xsc(xi){
+ int xa;
+ xa = (xi-obotx)*scalex+botx;
+ return(xa);
+}
+ysc(yi){
+ int ya;
+ ya = (yi-oboty)*scaley+boty;
+ return(ya);
+}