--- ray/src/gen/genrev.c	1990/07/20 14:33:10	1.6
+++ ray/src/gen/genrev.c	1992/10/02 16:11:28	2.2
@@ -15,9 +15,10 @@ static char SCCSid[] = "$SunId$ LBL";
  */
 
 #include  <stdio.h>
+#include  <math.h>
 
-#define  ZNAME		"Z_"			/* z function name */
-#define  RNAME		"R_"			/* r function name */
+#define  ZNAME		"Z`SYS`"		/* z function name */
+#define  RNAME		"R`SYS`"		/* r function name */
 
 #define  PI		3.14159265358979323846
 
@@ -44,17 +45,17 @@ char  *argv[];
 	int  i, nseg;
 	int  orient;
 
-	varset("PI", PI);
-	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 < 6)
 		goto userror;
 
 	for (i = 6; i < argc; i++)
 		if (!strcmp(argv[i], "-e"))
-			scompile(NULL, argv[++i]);
+			scompile(argv[++i], NULL, 0);
 		else if (!strcmp(argv[i], "-f"))
 			fcompile(argv[++i]);
 		else if (!strcmp(argv[i], "-s"))
@@ -63,9 +64,9 @@ char  *argv[];
 			goto userror;
 
 	sprintf(stmp, "%s(t)=%s;", ZNAME, argv[3]);
-	scompile(NULL, stmp);
+	scompile(stmp, NULL, 0);
 	sprintf(stmp, "%s(t)=%s;", RNAME, argv[4]);
-	scompile(NULL, stmp);
+	scompile(stmp, NULL, 0);
 	nseg = atoi(argv[5]);
 	if (nseg <= 0)
 		goto userror;
@@ -160,7 +161,6 @@ userror:
 computen(nzp, nrp, z0, r0, z1, r1)		/* compute normal */
 double  *nzp, *nrp, z0, r0, z1, r1;
 {
-	extern double  sqrt();
 	double  dr, dz, len;
 
 	dz = r0 - r1;				/* right angle vector */