$ perl -MO=Deparse -MWin32::Sound -e " print Win32::Sound::SND_NODEFAULT & Win32::Sound::SND_ASYNC " use Win32::Sound; print Win32::Sound::SND_NODEFAULT(&Win32::Sound::SND_ASYNC); -e syntax OK #### $ perl -MWin32::Sound -e " print Win32::Sound::SND_NODEFAULT() & Win32::Sound::SND_ASYNC() " 0