ddhel code review roadmap. andyco. 6/2/95. these files are the files to be reviewed. ddraw.h - from ..\ddraw. ddraw public header file. defines interfaces and constants. ddrawi.h - from ..\ddraw. ddraw private header file. defines structures and constants. used by ddraw and drivers. ddhel.c - main entry points into ddhel overlay.c - dirty rectangle management code ddhelpri.h - hel data structures and macros ddhelos.h - os specific functionality (osMemxxx, etc.) defined here roadmap.txt - this file ddhel_i.txt - implementation notes on ddhel (how to build, entry / exit points, etc.) relnotes.txt - release notes describing functionality that is available for the 6/9 release