--- ray/src/gen/genworm.c	2003/07/21 22:30:18	2.5
+++ ray/src/gen/genworm.c	2003/11/16 10:29:38	2.7
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: genworm.c,v 2.5 2003/07/21 22:30:18 schorsch Exp $";
+static const char	RCSid[] = "$Id: genworm.c,v 2.7 2003/11/16 10:29:38 schorsch Exp $";
 #endif
 /*
  *  genworm.c - program to generate worms (strings with varying thickness).
@@ -11,8 +11,12 @@ static const char	RCSid[] = "$Id: genworm.c,v 2.5 2003
  *	9/24/87
  */
 
+#include  <stdlib.h>
 #include  <stdio.h>
 #include  <math.h>
+#include  <string.h>
+
+#include  "calcomp.h"
 #include  "fvect.h"
 
 #define  XNAME		"X`SYS`"		/* x function name */
@@ -25,17 +29,20 @@ static const char	RCSid[] = "$Id: genworm.c,v 2.5 2003
 #define  max(a,b)	((a) > (b) ? (a) : (b))
 
 
-double  funvalue(), l_hermite(), l_bezier(), l_bspline(), argument();
-void  quit();
+/* XXX redundant, move to library */
+double  l_hermite(char *), l_bezier(char *), l_bspline(char *);
 
 
+static void printhead(int  ac, char  **av);
+
+
+int
 main(argc, argv)
 int  argc;
 char  *argv[];
 {
-	extern long	eclock;
 	char  stmp[256];
-	double  t, f, lastr, r;
+	double  t, f, lastr = 0, r;
 	FVECT  lastp, p;
 	int  i, nseg;
 
@@ -110,13 +117,13 @@ char  *argv[];
 		VCOPY(lastp, p);
 		lastr = r;
 	}
-	quit(0);
+	return 0;
 
 userror:
 	fprintf(stderr,
 "Usage: %s material name x(t) y(t) z(t) r(t) nseg [-e expr] [-f file]\n",
 			argv[0]);
-	quit(1);
+	return 1;
 }
 
 
@@ -144,9 +151,11 @@ int  code;
 }
 
 
-printhead(ac, av)		/* print command header */
-register int  ac;
-register char  **av;
+void
+printhead(		/* print command header */
+	register int  ac,
+	register char  **av
+)
 {
 	putchar('#');
 	while (ac--) {
@@ -158,7 +167,7 @@ register char  **av;
 
 
 double
-l_hermite()			
+l_hermite(char *nm)
 {
 	double  t;
 	
@@ -171,7 +180,7 @@ l_hermite()			
 
 
 double
-l_bezier()
+l_bezier(char *nm)
 {
 	double  t;
 
@@ -184,7 +193,7 @@ l_bezier()
 
 
 double
-l_bspline()
+l_bspline(char *nm)
 {
 	double  t;