-extern void setLevelInfoToDefaults_SP();
-extern void copyInternalEngineVars_SP();
-extern boolean LoadNativeLevel_SP(char *, int);
+extern void setLevelInfoToDefaults_SP(void);
+extern void copyInternalEngineVars_SP(void);
+extern boolean LoadNativeLevel_SP(char *, int, boolean);
+extern void SaveNativeLevel_SP(char *);
+
+extern int getFieldbufferOffsetX_SP(void);
+extern int getFieldbufferOffsetY_SP(void);