int open_lsa_policy(LSA_HANDLE *);
int username_sid(const TCHAR *, SID **, LSA_HANDLE *);
int username_sid(const TCHAR *, SID **);
int username_equiv(const TCHAR *, const TCHAR *);
int is_localsystem(const TCHAR *);
int open_lsa_policy(LSA_HANDLE *);
int username_sid(const TCHAR *, SID **, LSA_HANDLE *);
int username_sid(const TCHAR *, SID **);
int username_equiv(const TCHAR *, const TCHAR *);
int is_localsystem(const TCHAR *);