diff --git xneko-clean/xneko.c xneko-workdir/xneko.c
index 92a9e34..a81d0c1 100644
--- xneko-clean/xneko.c
+++ xneko-workdir/xneko.c
@@ -99,7 +99,9 @@
 #include <signal.h>
 #include <math.h>
 #include <sys/time.h>
-
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
 
 #ifndef	lint
 static char
@@ -451,7 +453,7 @@ BitmapGCData	BitmapGCDataTable[] =
       &RightTogi1Xbm, rtogi1_bits, rtogi1_width, rtogi1_height },
     { &RightTogi2GC,
       &RightTogi2Xbm, rtogi2_bits, rtogi2_width, rtogi2_height },
-    { NULL, NULL, NULL, NULL, NULL }
+    { 0, 0, 0, 0, 0 }
 };
 
 typedef struct {