## Input/Output Device Driver Reference

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### Keyboard Test Architecture

The DDTT provides a common front-end parser for test-case scripts and also tests several devices and APIs. The following DDTT keyboard-specific files are required:

DDTKBD.DLL

KBD.GRA.

TESTKBD.SYS

The C++ source code for DDTKWD.DLL is available on the IBM Developer Connection Device Driver Kit for OS/2 CD-ROM disc.

The following required, common components of the DDTT implement DDTT's programmable parser and common test functions such as SET, LOOP, and PAUSE:

DDTT.EXE

DDTT.DLL

GLOBAL.DLL

GLOBAL.GRA
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