Publisher's Synopsis
Knowing about undocumented features of dos allows programmers to dramatically speed up the execution time of their programs.Undocumented dos through C reveals the undocumented or difficult to -find features o critical MS dos data structures in MS.Dos explained in detail, followed by C source code for putting this knowledge to use. This book includes: Detailed coverage of list.Job file table, arena headers, CDS and DPC. Tracing and manipulating the DPE, buffer and the device chains. Memory organisation o dos including upper memory blocks and dos subsegments. Writing tsrs using swappable data area. Installing/deinstalling tsrs an independent Chapter on putting undocumented dos to real life use.
