## Pen for OS/2 Device Driver Reference

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### Subdirectory Structure

The subdirectory structure is created when you install the the Pen for OS/2 component of IBM Developer Connection Device Driver Kit for OS/2 on a hard disk. The following portion of the subdirectory structure contains the information relating to the development of a device driver.

    --PENTKT

         |--PENBASE

         |    |--INC

         |    \--PENDD

         |

         \--UTIL

              |--DDINST

              |--PENCAL

              \--PENTL

The subdirectories and their contents are:

PENTKT\PENBASE This subdirectory contains the device driver subcomponent modules.

PENTKT\PENBASE\INC This subdirectory contains the include and header files. These files must not be changed because the files define the interface with the system.

PENTKT\PENBASE\PENDD This subdirectory contains the device-dependent code and the PENDD.SYS load module for the sample pen device driver.

PENTKT\UTIL\DDINST This subdirectory contains the sample control files used to install a device driver. Installation Control Files provides a description of these files.

PENTKT\UTIL\PENCAL This subdirectory contains the sample code for a pen calibration program.

PENTKT\UTIL\PENTL This subdirectory contains the sample code for a tool to test and call the pen device driver.