-extern int em_main_init_game(int, char *);
-extern int em_main_handle_game(byte);
+extern void InitGameEngine_EM();
+extern void GameActions_EM(byte);
+
+extern unsigned int InitEngineRND_EM(long);
+
+extern void setLevelInfoToDefaults_EM();
+extern boolean LoadNativeLevel_EM(char *);
+
+extern void BlitScreenToBitmap_EM(Bitmap *);
+extern void RedrawPlayfield_EM();
+extern void DrawGameDoorValues_EM();