[MSDN Library April 2000] 3.2.4.3 Using Neither Direct Nor Buffered I/O (100%)
MSDN Library - April 2000 > DDK Documentation > 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