diff --git a/du8/world.h b/du8/world.h
index 28fe3d4..19fb62a 100644
--- a/du8/world.h
+++ b/du8/world.h
@@ -109,5 +109,14 @@ void game_speed(int value);
 
 void set_message(const char* message,int x,int y);
 void clear_screen();
+void world_init(void);
+int world_get_key(void);
+void world_end(void);
+void world_clear(void);
+void world_draw_char(int x, int y, char c);
+void world_draw_text(int x, int y, const char* text);
+void world_display(void);
+
+
 
 #endif