--- ray/src/gen/genworm.c	1991/08/13 16:07:12	1.9
+++ ray/src/gen/genworm.c	2003/07/21 22:30:18	2.5
@@ -1,9 +1,6 @@
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: genworm.c,v 2.5 2003/07/21 22:30:18 schorsch Exp $";
 #endif
-
-/* Copyright (c) 1989 Regents of the University of California */
-
 /*
  *  genworm.c - program to generate worms (strings with varying thickness).
  *
@@ -15,7 +12,7 @@ static char SCCSid[] = "$SunId$ LBL";
  */
 
 #include  <stdio.h>
-
+#include  <math.h>
 #include  "fvect.h"
 
 #define  XNAME		"X`SYS`"		/* x function name */
@@ -25,12 +22,11 @@ static char SCCSid[] = "$SunId$ LBL";
 
 #define  PI		3.14159265358979323846
 
-#define  FTINY		1e-7
-
 #define  max(a,b)	((a) > (b) ? (a) : (b))
 
 
 double  funvalue(), l_hermite(), l_bezier(), l_bspline(), argument();
+void  quit();
 
 
 main(argc, argv)
@@ -80,7 +76,7 @@ char  *argv[];
 		p[1] = funvalue(YNAME, 1, &t);
 		p[2] = funvalue(ZNAME, 1, &t);
 		r = funvalue(RNAME, 1, &t);
-		if (i)
+		if (i) {
 			if (lastr <= r+FTINY && lastr >= r-FTINY) {
 				printf("\n%s cylinder %s.c%d\n",
 						argv[1], argv[2], i);
@@ -107,6 +103,7 @@ char  *argv[];
 				f = f <= 0.0 ? 0.0 : sqrt(f);
 				printf("%18.12g %18.12g\n", f*lastr, f*r);
 			}
+		}
 		printf("\n%s sphere %s.s%d\n", argv[1], argv[2], i);
 		printf("0\n0\n4 %18.12g %18.12g %18.12g %18.12g\n",
 				p[0], p[1], p[2], r);
@@ -123,6 +120,7 @@ userror:
 }
 
 
+void
 eputs(msg)
 char  *msg;
 {
@@ -130,6 +128,7 @@ char  *msg;
 }
 
 
+void
 wputs(msg)
 char  *msg;
 {
@@ -137,7 +136,9 @@ char  *msg;
 }
 
 
+void
 quit(code)
+int  code;
 {
 	exit(code);
 }