diff -NrU5 zhcon-0.2.6.orig/src/basefont.cpp zhcon-0.2.6/src/basefont.cpp
--- zhcon-0.2.6.orig/src/basefont.cpp	2008-04-29 23:15:08.000000000 +0200
+++ zhcon-0.2.6/src/basefont.cpp	2008-04-29 23:15:37.000000000 +0200
@@ -27,10 +27,12 @@
 #include "global.h"
 #include "debug.h"
 #include "hzdecoder.h"
 #include "basefont.h"
 
+#include <cstring>
+
 BaseFont::BaseFont(string & fn, int w, int h)
 :mFd(0)
 ,mpBuf(0)
 ,mWidth(w)
 ,mHeight(h) {
diff -NrU5 zhcon-0.2.6.orig/src/display/fblinear4.cpp zhcon-0.2.6/src/display/fblinear4.cpp
--- zhcon-0.2.6.orig/src/display/fblinear4.cpp	2008-04-29 23:15:08.000000000 +0200
+++ zhcon-0.2.6/src/display/fblinear4.cpp	2008-04-29 23:15:37.000000000 +0200
@@ -20,10 +20,12 @@
 #include <assert.h>
 #include <endian.h>
 #include "global.h"
 #include "fblinear4.h"
 
+#include <cstring>
+
 __u16 FBLinear4::nibbletab_cfb4[] = {
 #if BYTE_ORDER == LITTLE_ENDIAN
 0x0000,0xf000,0x0f00,0xff00,
 0x00f0,0xf0f0,0x0ff0,0xfff0,
 0x000f,0xf00f,0x0f0f,0xff0f,
diff -NrU5 zhcon-0.2.6.orig/src/display/fblinear8.cpp zhcon-0.2.6/src/display/fblinear8.cpp
--- zhcon-0.2.6.orig/src/display/fblinear8.cpp	2008-04-29 23:15:08.000000000 +0200
+++ zhcon-0.2.6/src/display/fblinear8.cpp	2008-04-29 23:15:37.000000000 +0200
@@ -20,10 +20,12 @@
 #include <assert.h>
 #include <endian.h>
 #include "global.h"
 #include "fblinear8.h"
 
+#include <cstring>
+
 __u32 FBLinear8::nibbletab_cfb8[] = {
 #if BYTE_ORDER == LITTLE_ENDIAN
 0x00000000,0xff000000,0x00ff0000,0xffff0000,
 0x0000ff00,0xff00ff00,0x00ffff00,0xffffff00,
 0x000000ff,0xff0000ff,0x00ff00ff,0xffff00ff,
diff -NrU5 zhcon-0.2.6.orig/src/display/fbvgaplanes.cpp zhcon-0.2.6/src/display/fbvgaplanes.cpp
--- zhcon-0.2.6.orig/src/display/fbvgaplanes.cpp	2008-04-29 23:15:08.000000000 +0200
+++ zhcon-0.2.6/src/display/fbvgaplanes.cpp	2008-04-29 23:15:37.000000000 +0200
@@ -36,10 +36,12 @@
         : "a" ((char) value),
         "d" ((unsigned short) port));
 }
 #endif
 
+#include <cstring>
+
 /* based on kernel
  * Force strict CPU ordering.
  * And yes, this is required on UP too when we're talking
  * to devices.
  *
diff -NrU5 zhcon-0.2.6.orig/src/display/vgadev.cpp zhcon-0.2.6/src/display/vgadev.cpp
--- zhcon-0.2.6.orig/src/display/vgadev.cpp	2008-04-29 23:15:08.000000000 +0200
+++ zhcon-0.2.6/src/display/vgadev.cpp	2008-04-29 23:15:37.000000000 +0200
@@ -35,10 +35,12 @@
 #include <cassert>
 #include "debug.h"
 #include "vgadev.h"
 #include "lrmi.h"
 
+#include <cstring>
+
 #define GRAPH_BASE 0xA0000
 #define GRAPH_ADDR  0x3ce
 #define GRAPH_DATA  0x3cf
 
 char *VGADev::mpBuf = NULL;
diff -NrU5 zhcon-0.2.6.orig/src/graphdev.cpp zhcon-0.2.6/src/graphdev.cpp
--- zhcon-0.2.6.orig/src/graphdev.cpp	2008-04-29 23:15:08.000000000 +0200
+++ zhcon-0.2.6/src/graphdev.cpp	2008-04-29 23:16:14.000000000 +0200
@@ -24,20 +24,23 @@
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>
 #include <assert.h>
 #include <iostream>
+#include <cstdlib>
 #include "debug.h"
 
 #include "display/fbdev.h"
 #include "display/vgadev.h"
 #if defined(linux) || defined(__FreeBSD__)
     #ifdef HAVE_GGI_LIB
     #include "display/libggi.h"
     #endif
 #endif
 
+#include <cstring>
+
 using namespace std;
 // mmap framebuffer address
 GraphDev *GraphDev::mpGraphDev = NULL;
 
 // font
diff -NrU5 zhcon-0.2.6.orig/src/inputclient.cpp zhcon-0.2.6/src/inputclient.cpp
--- zhcon-0.2.6.orig/src/inputclient.cpp	2008-04-29 23:15:08.000000000 +0200
+++ zhcon-0.2.6/src/inputclient.cpp	2008-04-29 23:15:37.000000000 +0200
@@ -14,10 +14,12 @@
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
+#include <cstdlib>
+
 #include "inputclient.h"
 
 Console* InputClient::mpCon = NULL;
 InputClient::InputClient()
 : mVisible(false),
diff -NrU5 zhcon-0.2.6.orig/src/inputmanager.cpp zhcon-0.2.6/src/inputmanager.cpp
--- zhcon-0.2.6.orig/src/inputmanager.cpp	2008-04-29 23:15:08.000000000 +0200
+++ zhcon-0.2.6/src/inputmanager.cpp	2008-04-29 23:19:01.000000000 +0200
@@ -22,10 +22,11 @@
 using namespace std;
 
 #include <unistd.h>
 #include <sys/time.h>
 #include <string>
+#include <cstdlib>
 
 #include "global.h"
 #include "debug.h"
 #include "keymap.h"
 #include "console.h"
diff -NrU5 zhcon-0.2.6.orig/src/inputmanager.h zhcon-0.2.6/src/inputmanager.h
--- zhcon-0.2.6.orig/src/inputmanager.h	2008-04-29 23:15:08.000000000 +0200
+++ zhcon-0.2.6/src/inputmanager.h	2008-04-29 23:15:37.000000000 +0200
@@ -24,10 +24,11 @@
   *@author ejoy
   */
 using namespace std;
 #include <cassert>
 #include <vector>
+#include <sys/types.h>
 
 #include "mouse.h"
 #if defined(__FreeBSD__)
     #include <sys/kbio.h>
 #endif
diff -NrU5 zhcon-0.2.6.orig/src/window.cpp zhcon-0.2.6/src/window.cpp
--- zhcon-0.2.6.orig/src/window.cpp	2008-04-29 23:15:08.000000000 +0200
+++ zhcon-0.2.6/src/window.cpp	2008-04-29 23:15:37.000000000 +0200
@@ -22,10 +22,12 @@
 #include <algorithm>
 #include "global.h"
 #include "debug.h"
 #include "window.h"
 
+#include <cstring>
+
 //static members for all the windows
 Window* Window::mpConsole = NULL;
 char* Window::mpOverlaps = NULL;
 
 Window::Window(int x1, int y1, int x2, int y2, int type)
diff -NrU5 zhcon-0.2.6.orig/src/zhcon.cpp zhcon-0.2.6/src/zhcon.cpp
--- zhcon-0.2.6.orig/src/zhcon.cpp	2008-04-29 23:15:08.000000000 +0200
+++ zhcon-0.2.6/src/zhcon.cpp	2008-04-29 23:15:37.000000000 +0200
@@ -81,10 +81,12 @@
 #ifndef NDEBUG
 #include "debug.h"
 ofstream debug("debug");
 #endif
 
+#include <cstring>
+
 Zhcon* Zhcon::mpZhcon = NULL;
 int Zhcon::mTtyPid = 0;
 Zhcon::STATE Zhcon::mState = STOP;
 
 void Zhcon::SignalVtLeave(int signo) {