diff -ru xfreecell.orig/card.cpp xfreecell/card.cpp
--- xfreecell.orig/card.cpp	1999-03-27 13:36:28 +0000
+++ xfreecell/card.cpp	2008-10-29 14:02:32 +0000
@@ -1,4 +1,5 @@
 #include <cstdio>
+#include <cstdlib>
 #include <math.h>
 #ifdef SHAPE
 #include <X11/Xlib.h>
diff -ru xfreecell.orig/freecell.cpp xfreecell/freecell.cpp
--- xfreecell.orig/freecell.cpp	2008-10-29 14:03:37 +0000
+++ xfreecell/freecell.cpp	2008-10-29 14:06:12 +0000
@@ -1,6 +1,8 @@
 #include <dirent.h>
 #include <fcntl.h>
 #include <stdlib.h>
+#include <cstdlib>
+#include <cstring>
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/types.h>
diff -ru xfreecell.orig/option.cpp xfreecell/option.cpp
--- xfreecell.orig/option.cpp	1999-07-27 14:13:24 +0000
+++ xfreecell/option.cpp	2008-10-29 14:09:13 +0000
@@ -4,6 +4,8 @@
 #include <dirent.h>
 #include <unistd.h>
 #include <stdio.h>
+#include <cstdlib>
+#include <cstring>
 
 #include "general.h"
 #include "option.h"
diff -ru xfreecell.orig/subwindows.cpp xfreecell/subwindows.cpp
--- xfreecell.orig/subwindows.cpp	2008-10-29 14:09:34 +0000
+++ xfreecell/subwindows.cpp	2008-10-29 14:10:17 +0000
@@ -5,6 +5,7 @@
 #include <dirent.h>
 #include <unistd.h>
 #include <stdio.h>
+#include <cstdlib>
 
 #include "general.h"
 #include "subwindows.h"
diff -ru xfreecell.orig/widget/util.cpp xfreecell/widget/util.cpp
--- xfreecell.orig/widget/util.cpp	1999-03-15 16:01:51 +0000
+++ xfreecell/widget/util.cpp	2008-10-29 14:12:16 +0000
@@ -1,3 +1,4 @@
+#include <cstdlib>
 #include "widget.h"
 
 unsigned long allocColor(Display* NSdpy, unsigned int red, unsigned int green, unsigned int blue)
Only in xfreecell/widget: util.cpp~
diff -ru xfreecell.orig/widget/scrollbar.cpp xfreecell/widget/scrollbar.cpp
--- xfreecell.orig/widget/scrollbar.cpp	1999-03-03 17:34:52 +0000
+++ xfreecell/widget/scrollbar.cpp	2008-10-29 14:13:14 +0000
@@ -1,3 +1,4 @@
+#include <cstdlib>
 #include "widget.h"
 
 // ## NSVScrollbar ##
Only in xfreecell/widget: scrollbar.cpp~
diff -ru xfreecell.orig/widget/font.cpp xfreecell/widget/font.cpp
--- xfreecell.orig/widget/font.cpp	1999-03-03 17:34:52 +0000
+++ xfreecell/widget/font.cpp	2008-10-29 14:14:04 +0000
@@ -1,3 +1,4 @@
+#include <cstring>
 #include "widget.h"
 
 NSFont::NSFont()
Only in xfreecell/widget: font.cpp~