diff --git a/src/anim.cpp b/src/anim.cpp
index bbf1fa6..afdb136 100644
--- a/src/anim.cpp
+++ b/src/anim.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/base.cpp b/src/base.cpp
index 6630b10..fb3e35a 100644
--- a/src/base.cpp
+++ b/src/base.cpp
@@ -1,9 +1,9 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
-#include <cmath>
-#include <cctype>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <math.h>
+#include <ctype.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/bmp.cpp b/src/bmp.cpp
index 30906bf..fedb0e1 100644
--- a/src/bmp.cpp
+++ b/src/bmp.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/camera.cpp b/src/camera.cpp
index 4031e1e..eae50de 100644
--- a/src/camera.cpp
+++ b/src/camera.cpp
@@ -1,6 +1,6 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/charset.cpp b/src/charset.cpp
index f9208b3..4de449f 100644
--- a/src/charset.cpp
+++ b/src/charset.cpp
@@ -1,4 +1,4 @@
-#include <cstdio>
+#include <stdio.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/clump.cpp b/src/clump.cpp
index 578fb26..d5cf29f 100644
--- a/src/clump.cpp
+++ b/src/clump.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/d3d/d3d.cpp b/src/d3d/d3d.cpp
index a052266..97a5cc4 100644
--- a/src/d3d/d3d.cpp
+++ b/src/d3d/d3d.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #define WITH_D3D
 #include "../rwbase.h"
diff --git a/src/d3d/d3d8.cpp b/src/d3d/d3d8.cpp
index ca2dac0..8be293a 100644
--- a/src/d3d/d3d8.cpp
+++ b/src/d3d/d3d8.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #define WITH_D3D
 #include "../rwbase.h"
diff --git a/src/d3d/d3d8matfx.cpp b/src/d3d/d3d8matfx.cpp
index 0fddbc4..6c210c5 100644
--- a/src/d3d/d3d8matfx.cpp
+++ b/src/d3d/d3d8matfx.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/d3d/d3d8render.cpp b/src/d3d/d3d8render.cpp
index c2fceda..b6ee5e3 100644
--- a/src/d3d/d3d8render.cpp
+++ b/src/d3d/d3d8render.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #define WITH_D3D
 #include "../rwbase.h"
diff --git a/src/d3d/d3d8skin.cpp b/src/d3d/d3d8skin.cpp
index e291751..fc697db 100644
--- a/src/d3d/d3d8skin.cpp
+++ b/src/d3d/d3d8skin.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/d3d/d3d9.cpp b/src/d3d/d3d9.cpp
index db101a9..9957b44 100644
--- a/src/d3d/d3d9.cpp
+++ b/src/d3d/d3d9.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #define WITH_D3D
 #include "../rwbase.h"
diff --git a/src/d3d/d3d9matfx.cpp b/src/d3d/d3d9matfx.cpp
index 35a4adf..2970a7f 100644
--- a/src/d3d/d3d9matfx.cpp
+++ b/src/d3d/d3d9matfx.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #define WITH_D3D
 #include "../rwbase.h"
diff --git a/src/d3d/d3d9render.cpp b/src/d3d/d3d9render.cpp
index e182e98..7c0c7ee 100644
--- a/src/d3d/d3d9render.cpp
+++ b/src/d3d/d3d9render.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #define WITH_D3D
 #include "../rwbase.h"
diff --git a/src/d3d/d3d9skin.cpp b/src/d3d/d3d9skin.cpp
index e45d68a..7a85aca 100644
--- a/src/d3d/d3d9skin.cpp
+++ b/src/d3d/d3d9skin.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #define WITH_D3D
 #include "../rwbase.h"
diff --git a/src/d3d/d3ddevice.cpp b/src/d3d/d3ddevice.cpp
index a16370c..476a0e2 100644
--- a/src/d3d/d3ddevice.cpp
+++ b/src/d3d/d3ddevice.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #define WITH_D3D
 #include "../rwbase.h"
diff --git a/src/d3d/d3dimmed.cpp b/src/d3d/d3dimmed.cpp
index db18af3..972839b 100644
--- a/src/d3d/d3dimmed.cpp
+++ b/src/d3d/d3dimmed.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #define WITH_D3D
 #include "../rwbase.h"
diff --git a/src/d3d/d3drender.cpp b/src/d3d/d3drender.cpp
index 7dfa8ec..1e2a6fa 100644
--- a/src/d3d/d3drender.cpp
+++ b/src/d3d/d3drender.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #define WITH_D3D
 #include "../rwbase.h"
diff --git a/src/d3d/xbox.cpp b/src/d3d/xbox.cpp
index 34ed437..9d737bf 100644
--- a/src/d3d/xbox.cpp
+++ b/src/d3d/xbox.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/d3d/xboxmatfx.cpp b/src/d3d/xboxmatfx.cpp
index a4f7ad0..d65144f 100644
--- a/src/d3d/xboxmatfx.cpp
+++ b/src/d3d/xboxmatfx.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/d3d/xboxskin.cpp b/src/d3d/xboxskin.cpp
index a7c7203..bc1cd65 100644
--- a/src/d3d/xboxskin.cpp
+++ b/src/d3d/xboxskin.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/d3d/xboxvfmt.cpp b/src/d3d/xboxvfmt.cpp
index ae88539..b6569dc 100644
--- a/src/d3d/xboxvfmt.cpp
+++ b/src/d3d/xboxvfmt.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/engine.cpp b/src/engine.cpp
index 310c89d..b35aa26 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -1,6 +1,6 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
 #include <new>
 
 #include "rwbase.h"
diff --git a/src/error.cpp b/src/error.cpp
index 889cd47..bdf4080 100644
--- a/src/error.cpp
+++ b/src/error.cpp
@@ -1,4 +1,4 @@
-#include <cstdio>
+#include <stdio.h>
 #include <stdarg.h>
 
 #include "rwbase.h"
diff --git a/src/frame.cpp b/src/frame.cpp
index e2c8d25..f96bf64 100644
--- a/src/frame.cpp
+++ b/src/frame.cpp
@@ -1,5 +1,5 @@
-#include <cstdio>
-#include <cstdlib>
+#include <stdio.h>
+#include <stdlib.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/geometry.cpp b/src/geometry.cpp
index 85a917b..837b136 100644
--- a/src/geometry.cpp
+++ b/src/geometry.cpp
@@ -1,8 +1,8 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
-#include <cmath>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <math.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/geoplg.cpp b/src/geoplg.cpp
index 1a976c3..0c0554b 100644
--- a/src/geoplg.cpp
+++ b/src/geoplg.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/gl/gl3.cpp b/src/gl/gl3.cpp
index fd7032c..7ec3f02 100644
--- a/src/gl/gl3.cpp
+++ b/src/gl/gl3.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/gl/gl3device.cpp b/src/gl/gl3device.cpp
index 10cd077..8370ed7 100644
--- a/src/gl/gl3device.cpp
+++ b/src/gl/gl3device.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/gl/gl3immed.cpp b/src/gl/gl3immed.cpp
index 8cb62d9..2f08b0e 100644
--- a/src/gl/gl3immed.cpp
+++ b/src/gl/gl3immed.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/gl/gl3matfx.cpp b/src/gl/gl3matfx.cpp
index 23af3ac..2e9049c 100644
--- a/src/gl/gl3matfx.cpp
+++ b/src/gl/gl3matfx.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/gl/gl3pipe.cpp b/src/gl/gl3pipe.cpp
index 7294483..2bda84d 100644
--- a/src/gl/gl3pipe.cpp
+++ b/src/gl/gl3pipe.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/gl/gl3raster.cpp b/src/gl/gl3raster.cpp
index 54d2e12..73d18e0 100644
--- a/src/gl/gl3raster.cpp
+++ b/src/gl/gl3raster.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/gl/gl3render.cpp b/src/gl/gl3render.cpp
index 21b32e3..8c35f18 100644
--- a/src/gl/gl3render.cpp
+++ b/src/gl/gl3render.cpp
@@ -1,6 +1,6 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/gl/gl3shader.cpp b/src/gl/gl3shader.cpp
index 84d5e89..665b572 100644
--- a/src/gl/gl3shader.cpp
+++ b/src/gl/gl3shader.cpp
@@ -1,6 +1,6 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/gl/gl3skin.cpp b/src/gl/gl3skin.cpp
index f9c3132..8363f17 100644
--- a/src/gl/gl3skin.cpp
+++ b/src/gl/gl3skin.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/gl/wdgl.cpp b/src/gl/wdgl.cpp
index da76af5..550f606 100644
--- a/src/gl/wdgl.cpp
+++ b/src/gl/wdgl.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/hanim.cpp b/src/hanim.cpp
index 26351de..a32a066 100644
--- a/src/hanim.cpp
+++ b/src/hanim.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/image.cpp b/src/image.cpp
index 0e86730..5bfb505 100644
--- a/src/image.cpp
+++ b/src/image.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/light.cpp b/src/light.cpp
index cfed8dc..012867f 100644
--- a/src/light.cpp
+++ b/src/light.cpp
@@ -1,6 +1,6 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/matfx.cpp b/src/matfx.cpp
index f9c2792..3771ebf 100644
--- a/src/matfx.cpp
+++ b/src/matfx.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/pipeline.cpp b/src/pipeline.cpp
index 477b150..7707a35 100644
--- a/src/pipeline.cpp
+++ b/src/pipeline.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwplg.h"
diff --git a/src/plg.cpp b/src/plg.cpp
index 1412a63..4c757c8 100644
--- a/src/plg.cpp
+++ b/src/plg.cpp
@@ -1,9 +1,9 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
-#include <cmath>
-#include <cctype>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <math.h>
+#include <ctype.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/prim.cpp b/src/prim.cpp
index 3735342..eb353d9 100644
--- a/src/prim.cpp
+++ b/src/prim.cpp
@@ -1,5 +1,5 @@
-#include <cstdio>
-#include <cstdlib>
+#include <stdio.h>
+#include <stdlib.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/ps2/pds.cpp b/src/ps2/pds.cpp
index 67f4fc9..1b3faa0 100644
--- a/src/ps2/pds.cpp
+++ b/src/ps2/pds.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwplg.h"
diff --git a/src/ps2/ps2.cpp b/src/ps2/ps2.cpp
index f76e539..5718a8f 100644
--- a/src/ps2/ps2.cpp
+++ b/src/ps2/ps2.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/ps2/ps2device.cpp b/src/ps2/ps2device.cpp
index 73cf0e9..98f9914 100644
--- a/src/ps2/ps2device.cpp
+++ b/src/ps2/ps2device.cpp
@@ -1,9 +1,9 @@
 #ifdef RW_PS2
 
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/ps2/ps2matfx.cpp b/src/ps2/ps2matfx.cpp
index 5908974..7fcf30f 100644
--- a/src/ps2/ps2matfx.cpp
+++ b/src/ps2/ps2matfx.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/ps2/ps2raster.cpp b/src/ps2/ps2raster.cpp
index ce95ba0..7538d3a 100644
--- a/src/ps2/ps2raster.cpp
+++ b/src/ps2/ps2raster.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/ps2/ps2skin.cpp b/src/ps2/ps2skin.cpp
index 41fa65e..c1ae774 100644
--- a/src/ps2/ps2skin.cpp
+++ b/src/ps2/ps2skin.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "../rwbase.h"
 #include "../rwerror.h"
diff --git a/src/raster.cpp b/src/raster.cpp
index 9dfe47a..3b2390d 100644
--- a/src/raster.cpp
+++ b/src/raster.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/render.cpp b/src/render.cpp
index 8d4dd6c..fef6e58 100644
--- a/src/render.cpp
+++ b/src/render.cpp
@@ -1,4 +1,4 @@
-#include <cstdio>
+#include <stdio.h>
 
 #include "rwbase.h"
 #include "rwplg.h"
diff --git a/src/rwbase.h b/src/rwbase.h
index 383a239..f28d349 100644
--- a/src/rwbase.h
+++ b/src/rwbase.h
@@ -1,7 +1,7 @@
 #ifndef RW_PS2
 #include <stdint.h>
 #endif
-#include <cmath>
+#include <math.h>
 #ifndef M_PI
 #define M_PI 3.14159265358979323846
 #endif
diff --git a/src/skin.cpp b/src/skin.cpp
index a869aa8..f600844 100644
--- a/src/skin.cpp
+++ b/src/skin.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/texture.cpp b/src/texture.cpp
index 4fb3dcc..a55629b 100644
--- a/src/texture.cpp
+++ b/src/texture.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/tga.cpp b/src/tga.cpp
index 9d66448..145a7dd 100644
--- a/src/tga.cpp
+++ b/src/tga.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/tristrip.cpp b/src/tristrip.cpp
index c0234ee..e71b844 100644
--- a/src/tristrip.cpp
+++ b/src/tristrip.cpp
@@ -1,8 +1,8 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
-#include <cmath>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <math.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/userdata.cpp b/src/userdata.cpp
index a87224e..adadabe 100644
--- a/src/userdata.cpp
+++ b/src/userdata.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/uvanim.cpp b/src/uvanim.cpp
index 00fd8fd..f977f5f 100644
--- a/src/uvanim.cpp
+++ b/src/uvanim.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"
diff --git a/src/world.cpp b/src/world.cpp
index 9c0f1cd..447eebc 100644
--- a/src/world.cpp
+++ b/src/world.cpp
@@ -1,7 +1,7 @@
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cassert>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include "rwbase.h"
 #include "rwerror.h"