diff -Nru orig-DFBSee-0.7.4/src/rotate.c DFBSee-0.7.4/src/rotate.c
--- orig-DFBSee-0.7.4/src/rotate.c	2005-12-05 15:37:52.000000000 +0800
+++ DFBSee-0.7.4/src/rotate.c	2005-12-05 15:38:10.000000000 +0800
@@ -43,9 +43,9 @@
         {\
           *d = *s;\
           s++;\
-          (__u8*)d += dest_pitch;\
+          d = ((void*) d) + dest_pitch;\
         }\
-      (__u8*)src += src_pitch;\
+      src = ((void*) src) + src_pitch;\
     }\
 }\
 
@@ -53,7 +53,7 @@
 {\
   type d;\
   type s;\
-  (__u8 *) dest += (height - 1) * dest_pitch;\
+  dest = ((void*) dest) + (height - 1) * dest_pitch;\
   for (w = 0; w < width; w++)\
     {\
       h = height;\
@@ -63,9 +63,9 @@
         {\
           *d = *s;\
           s++;\
-          (__u8*)d -= dest_pitch;\
+          d = ((void*) d) - dest_pitch;\
         }\
-      (__u8*)src += src_pitch;\
+      src = ((void*) src) + src_pitch;\
     }\
 }\
 
@@ -73,7 +73,7 @@
 {\
   type d;\
   type s;\
-  (__u8 *) dest += (height - 1) * dest_pitch;\
+  dest = ((void*) dest) + (height - 1) * dest_pitch;\
   while (--height)\
     {\
       d = (type) dest + width - 1;\
@@ -85,8 +85,8 @@
           s++;\
           d--;\
         }\
-      (__u8*)src += src_pitch;\
-      (__u8*)dest -= dest_pitch;\
+      src  = ((void*) src)  - src_pitch;\
+      dest = ((void*) dest) + dest_pitch;\
     }\
 }\
 
@@ -172,7 +172,7 @@
   source->Lock (source, DSLF_READ, &src, &src_pitch);
   destination->Lock (destination, DSLF_READ, &dest, &dest_pitch);
 
-  (__u8 *) dest += dest_pitch * y + DFB_BYTES_PER_PIXEL (pixelformat) * x;
+  dest += dest_pitch * y + DFB_BYTES_PER_PIXEL (pixelformat) * x;
 
   rotate (dest, dest_pitch,
           src, src_pitch, width, height, DFB_BYTES_PER_PIXEL (pixelformat),