* harbour/include/hb_io.h
+ added #include <dos.h> for DOS builds
* harbour/source/rtl/gttone.c
+ #include <conio.h> for WATCOM builds
* harbour/config/w32/watcom.cf
* cleanup
+ harbour/config/w32/owatcom.cf
+ added OpenWatcom support
* harbour/contrib/libct/files.c
* rewritten FILESEEK(), FILESIZE(), FILEATTR(), FILETIME(), FILEDATE()
now they should work on all supported platforms
+ added FILESMAX() for POSIX systems
* added FILEDELETE() - It's Phil Krylov code from xHarbour modified
to be MT safe
* indenting, cleanup and some minor fixes
cbb33274f7