/*++ Copyright (c) 1996 Microsoft Corporation Module Name: dxapi.h Abstract: This file defines the necessary structures, defines, and functions for the DXAPI class driver. Author: Bill Parry (billpa) Environment: Kernel mode only Revision History: --*/ ULONG DxApi( IN ULONG dwFunctionNum, IN PVOID lpvInBuffer, IN ULONG cbInBuffer, IN PVOID lpvOutBuffer, IN ULONG cbOutBuffer ); ULONG DxApiGetVersion( );