[MSDN Library June 1998] 3.2.4.3 Using Neither Direct Nor Buffered I/O (89.1304347826087%)
MSDN Library Visual Studio 6.0 > DDK Documentation > Microsoft Windows NT 4.0 DDK > Kernel-Mode Drivers > Design Guide > Chapter 3 NT Objects and Support for Drivers > 3.2 Device Objects and Device Extensions > 3.2.4 Setting Up Access to User Buffers