+typedef BOOL (WINAPI *CreateWellKnownSid_ptr)(WELL_KNOWN_SID_TYPE, SID *, SID *, unsigned long *);
+typedef BOOL (WINAPI *IsWellKnownSid_ptr)(SID *, WELL_KNOWN_SID_TYPE);
+typedef HANDLE (WINAPI *RegisterPowerSettingNotification_ptr)(HANDLE, LPCGUID, DWORD);