--- ray/src/gen/genworm.c	1990/07/20 14:36:02	1.6
+++ ray/src/gen/genworm.c	1993/01/05 10:06:59	2.2
@@ -15,18 +15,16 @@ static char SCCSid[] = "$SunId$ LBL";
  */
 
 #include  <stdio.h>
-
+#include  <math.h>
 #include  "fvect.h"
 
-#define  XNAME		"X_"			/* x function name */
-#define  YNAME		"Y_"			/* y function name */
-#define  ZNAME		"Z_"			/* z function name */
-#define  RNAME		"R_"			/* r function name */
+#define  XNAME		"X`SYS`"		/* x function name */
+#define  YNAME		"Y`SYS`"		/* y function name */
+#define  ZNAME		"Z`SYS`"		/* z function name */
+#define  RNAME		"R`SYS`"		/* r function name */
 
 #define  PI		3.14159265358979323846
 
-#define  FTINY		1e-7
-
 #define  max(a,b)	((a) > (b) ? (a) : (b))
 
 
@@ -43,10 +41,10 @@ char  *argv[];
 	FVECT  lastp, p;
 	int  i, nseg;
 
-	varset("PI", PI, NULL);
-	funset("hermite", 5, l_hermite);
-	funset("bezier", 5, l_bezier);
-	funset("bspline", 5, l_bspline);
+	varset("PI", ':', PI);
+	funset("hermite", 5, ':', l_hermite);
+	funset("bezier", 5, ':', l_bezier);
+	funset("bspline", 5, ':', l_bspline);
 
 	if (argc < 8)
 		goto userror;