Exuberant CTags 5.8 is available for OS/2 and eComStation (2012-06-18)
"CTags generates an index (tag) file of language objects found in source
files that allows these items to be quickly and easily located by a text
editor or other utility.
"
Link: http://hobbes.nmsu.edu/h-search.php?key=ctags-5.8_os2.zip
URL: http://ctags.sourceforge.net/
It requires kLIBC / GCC Runtime Library.
By Mentore Siesto