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