@ stdcall -stub sfc_os_1()
@ stdcall -stub sfc_os_2()
@ stdcall -stub sfc_os_3()
@ stdcall -stub sfc_os_4()
@ stdcall SfcFileException(long ptr long)
@ stdcall -stub sfc_os_6()
@ stdcall -stub sfc_os_7()
@ stdcall SfcGetNextProtectedFile(ptr ptr)
@ stdcall SfcIsFileProtected(ptr wstr)
@ stdcall SfcIsKeyProtected(long wstr long)
@ stdcall SfcWLEventLogoff(ptr)
@ stdcall SfcWLEventLogon(ptr)