In the process, tighten up command line argument handling a bit, and
improve some error messages.
Also, make the "magic number" 0x2000 a bit more obvious.
--HG--
extra : convert_revision : svn%3Aeff31bef-be4a-0410-a8fe-e47997df2690/trunk%4082
The ``-cnt`` switch is to be followed by a PID in decimal units.
It checks the values of the field continuity_counter in the specified PID,
warns in there are discontinuities and writes the values of continuity_counter in a file called
'continuity_counter.txt'. Using this automatically turns buffering on (-b).
--HG--
extra : convert_revision : svn%3Aeff31bef-be4a-0410-a8fe-e47997df2690/trunk%4079
build, and hopefully also in Linux. Ideally, do the same sort of thing for
the other "macro returning a constant string" cases.
--HG--
extra : convert_revision : svn%3Aeff31bef-be4a-0410-a8fe-e47997df2690/trunk%4070