HRESULT WINAPI DirectSoundFullDuplexCreate(LPCGUID pcGuidCaptureDevice, LPCGUID pcGuidRenderDevice, LPCDSCBUFFERDESC pcDSCBufferDesc, LPCDSBUFFERDESC pcDSBufferDesc, HWND hWnd, DWORD dwLevel, LPDIRECTSOUNDFULLDUPLEX *ppDSFD, LPDIRECTSOUNDCAPTUREBUFFER8 *ppDSCBuffer8, LPDIRECTSOUNDBUFFER8 *ppDSBuffer8, LPUNKNOWN pUnkOuter)