--- ray/src/gen/genblinds.c	1992/08/27 13:51:59	2.3
+++ ray/src/gen/genblinds.c	1994/10/10 12:07:45	2.7
@@ -21,25 +21,24 @@ static char SCCSid[] = "$SunId$ LBL";
 #include  <stdio.h>
 #include  <math.h>
 
-#ifndef atof
-extern double  atof();
-#endif
+#define  PI		3.14159265358979323846
+#define  DELTA		10.  /*  MINIMAL SUSTAINED ANGLE IN DEGREES */
 
-#define  PI		3.141592653589793
-#define  DELTA		5.  /*  MINIMAL SUSTAINED ANGLE IN DEGREES */
-
 double  baseflat[4][3], baseblind[4][3][180];
 double  A[3],X[3];
 char  *material, *name;
 double  height;
 int  nslats,  nsurf;
 
+#ifdef  DCL_ATOF
+extern double  atof();
+#endif
 
+
 main(argc, argv)
 int  argc;
 char  *argv[];
 {
-	double  fabs();
 	double  width, delem, depth, rcurv = 0.0, angle;
 	double  beta, gamma, theta, chi;
 	int     i, j, k, l;
@@ -156,7 +155,6 @@ userr:
 makeflat(w,d,a)
 double  w, d, a;
 {
-	double  sin(), cos();
 	double  h;
 
 	h = d*sin(a);