--- ray/src/px/ra_skel.c	1991/11/12 15:16:41	2.1
+++ ray/src/px/ra_skel.c	1991/12/19 14:52:19	2.2
@@ -20,7 +20,6 @@ static char SCCSid[] = "$SunId$ LBL";
 #include  "color.h"
 #include  "resolu.h"
 
-extern double  atof();
 
 double	gamma = 2.2;			/* gamma correction */