extern int havesecstore(char *addr, char *owner);extern char *secstore;extern char secstorebuf[65536];extern char *secstorefetch(char *addr, char *owner, char *passwd);extern char *authserver;extern char *readcons(char *prompt, char *def, int secret);extern int exportfs(int, int);extern char *user;extern char *getkey(char*, char*);extern char *findkey(char**, char*);extern int dialfactotum(void);extern char *getuser(void);extern void cpumain(int, char**);