// take it from wine
DEFINE_GUID(IID_IDirectSound8, 0xC50A7E93,0xF395,0x4834,0x9E,0xF6,0x7F,0x A9,0x9D,0xE5,0x09,0x66); typedef struct IDirectSound8 IDirectSound8,*LPDIRECTSOUND8;