Convert keyboard table to text
kbcvt [-1ahmnou] [table_filename...]
The kbcvt utility converts one or more binary keyboard files to text. The output is written to standard output. The syntax of the text file is described in the /usr/photon/keyboard/sample.kdef file. The kbcvt programs reside in /usr/photon/keyboard. For more information about UTF-8 encoding, see Keyboard Drivers and UTF-8 Encoding in the Photon Programmer's Guide. For more information about converting keyboard tables to text, see the section "PhAB multilingual applications" in the Unicode Multilingual Support chapter.
Create a text file from the Dutch keyboard table in /etc/config/kbd and use single-byte characters for codes below 256:
kbcvt -1 nl_NL_102