Index: events.c
--- events.c.orig
+++ events.c
@@ -92,6 +92,7 @@ static char RCSinfo[]=
 #endif
 
 #include <stdio.h>
+#include <stdlib.h>
 #include "twm.h"
 #include <X11/Xatom.h>
 #include "add_window.h"
@@ -104,6 +105,7 @@ static char RCSinfo[]=
 #include "util.h"
 #include "screen.h"
 #include "iconmgr.h"
+#include "icons.h"
 #include "version.h"
 #include "vdt.h"