char *getLoginName(void);
char *getHomeDir(void);
char *getPath2(char *, char *);
+char *getPath3(char *, char *, char*);
char *getStringCopy(char *);
+char *getStringToLower(char *);
void MarkTileDirty(int, int);
void GetOptions(char **);
void Error(int, char *, ...);