-extern void InitMurphyPos();
-extern void InitMurphyPosB(int);
-extern void ResetInfotronsNeeded(int);
-extern void subFetchAndInitLevel();
-extern void subFetchAndInitLevelA(boolean);
-extern void subFetchAndInitLevelB();
-extern void subInitGameConditions();
+void InitMurphyPos(void);
+void InitMurphyPosB(int);
+void ResetInfotronsNeeded(int);
+void subFetchAndInitLevel(void);
+void subFetchAndInitLevelA(void);
+void subFetchAndInitLevelB(void);
+void subInitGameConditions(void);