solves the conflict with curses over the 'clear' entry point much
nicer. (Jack had checked in the changes to cstubs eons ago, but I
never regenrated glmodule.c :-( )
cgen.py. Now that cgen.py and cstubs have been quickly renamed, check
in the actual output. This has some "old-style" names left in
(getilongarg etc.) but these are now take care of by macros in
cgensupport.h (which is now specific to glmodule.c).