--- ray/src/util/setscan.c	2003/02/22 02:07:30	2.2
+++ ray/src/util/setscan.c	2004/03/26 23:34:23	2.4
@@ -1,18 +1,20 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: setscan.c,v 2.2 2003/02/22 02:07:30 greg Exp $";
+static const char	RCSid[] = "$Id: setscan.c,v 2.4 2004/03/26 23:34:23 schorsch Exp $";
 #endif
 /*
  * Convert angle ranges of the form a-b:s,c to discrete values
  */
 
+#include <stdlib.h>
 #include <ctype.h>
 
 #include "setscan.h"
 
-
-setscan(ang, arg)			/* set up scan according to arg */
-register ANGLE  *ang;
-register char  *arg;
+int
+setscan(			/* set up scan according to arg */
+register ANGLE  *ang,
+register char  *arg
+)
 {
 	int  state = ',';
 	int  start, finish, step;