--- ray/src/rt/srcdraw.c	1997/10/20 17:18:42	2.4
+++ ray/src/rt/srcdraw.c	2003/02/25 02:47:23	2.6
@@ -1,13 +1,14 @@
-/* Copyright (c) 1996 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: srcdraw.c,v 2.6 2003/02/25 02:47:23 greg Exp $";
 #endif
-
 /*
  * Draw small sources into image in case we missed them.
+ *
+ *  External symbols declared in ray.h
  */
 
+#include "copyright.h"
+
 #include  "ray.h"
 
 #include  "view.h"
@@ -337,7 +338,7 @@ int	rad;				/* source sample size */
 					/* free old source list if one */
 	for (sp = sphead; sp != NULL; sp = sphead) {
 		sphead = sp->next;
-		free((char *)sp);
+		free((void *)sp);
 	}
 					/* loop through all sources */
 	for (i = nsources; i--; ) {
@@ -356,7 +357,7 @@ int	rad;				/* source sample size */
 	}
 }
 
-			/* add sources smaller than rad to computed subimage */
+void			/* add sources smaller than rad to computed subimage */
 drawsources(pic, zbf, x0, xsiz, y0, ysiz)
 COLOR	*pic[];				/* subimage pixel value array */
 float	*zbf[];				/* subimage distance array (opt.) */