CC>     The only thing I've found is in the bas class IOS.
CC>     Look at "Public Data Members", "open_mode".
TM> 
TM> open_mode is an enumeration type, not a member variable/function.
Public Data Members
seek_dir
open_mode
adjustfield
basefield
floatfield
    Yes, you can create you own child class and add a function
    for testing open_mode.
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