--- ray/src/gen/genrev.c	1991/11/12 17:05:00	2.1
+++ ray/src/gen/genrev.c	2003/02/22 02:07:23	2.4
@@ -1,9 +1,6 @@
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: genrev.c,v 2.4 2003/02/22 02:07:23 greg Exp $";
 #endif
-
-/* Copyright (c) 1989 Regents of the University of California */
-
 /*
  *  genrev.c - program to generate functions of rotation about z
  *
@@ -15,6 +12,7 @@ static char SCCSid[] = "$SunId$ LBL";
  */
 
 #include  <stdio.h>
+#include  <math.h>
 
 #define  ZNAME		"Z`SYS`"		/* z function name */
 #define  RNAME		"R`SYS`"		/* r function name */
@@ -30,7 +28,9 @@ static char SCCSid[] = "$SunId$ LBL";
 
 double  funvalue(), l_hermite(), l_bezier(), l_bspline(), argument();
 
+void	quit(), eputs(), wputs();
 
+
 main(argc, argv)
 int  argc;
 char  *argv[];
@@ -160,7 +160,6 @@ 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 */
@@ -171,6 +170,7 @@ double  *nzp, *nrp, z0, r0, z1, r1;
 }
 
 
+void
 eputs(msg)
 char  *msg;
 {
@@ -178,6 +178,7 @@ char  *msg;
 }
 
 
+void
 wputs(msg)
 char  *msg;
 {
@@ -185,7 +186,9 @@ char  *msg;
 }
 
 
+void
 quit(code)
+int  code;
 {
 	exit(code);
 }