2 files changed, 6 insertions, 0 deletions

diff --git a/apps/plugins/sdl/progs/duke3d/Engine/src/filesystem.h b/apps/plugins/sdl/progs/duke3d/Engine/src/filesystem.h
index fe172072b5..72dac7ff65 100644
--- a/apps/plugins/sdl/progs/duke3d/Engine/src/filesystem.h
+++ b/apps/plugins/sdl/progs/duke3d/Engine/src/filesystem.h
@@ -42,6 +42,7 @@ void     setGameDir(char* gameDir);
 
 int32_t  TCkopen4load(const char  *filename, int32_t readfromGRP);
 
+#define filelength rb_filelength
 int32_t  filelength(int32_t fd);
 
 #endif
diff --git a/apps/plugins/sdl/progs/duke3d/Game/src/global.h b/apps/plugins/sdl/progs/duke3d/Game/src/global.h
index ab7d6eb634..a9a00002f0 100644
--- a/apps/plugins/sdl/progs/duke3d/Game/src/global.h
+++ b/apps/plugins/sdl/progs/duke3d/Game/src/global.h
@@ -12,6 +12,11 @@
 #include "SDL.h"
 
 #define open rb->open
+#define strlwr duke_strlwr
+#define strupr duke_strupr
+#define itoa duke_itoa
+#define ltoa duke_ltoa
+#define ultoa duke_ultoa
 
 void FixFilePath(char  *filename);
 int FindDistance3D(int ix, int iy, int iz);