DSW_EnumerateInputDevices
DSW_EnumerateOutputDevices
DSW_FillEmptySpace
DSW_FlushOutputBuffer
DSW_GetOutputStatus
DSW_GetVolume
DSW_Init
DSW_InitInputBuffer
DSW_InitInputDevice
DSW_InitOutputBuffer
DSW_InitOutputBufferEx
DSW_InitOutputDevice
DSW_QueryInputFilled
DSW_QueryOutputSpace
DSW_ReadBlock
DSW_RestartOutput
DSW_SetVolume
DSW_StartInput
DSW_StartOutput
DSW_StopInput
DSW_StopOutput
DSW_Term
DSW_WriteBlock
DSW_ZeroEmptySpace