CopyOneDbf (cName) --> copy_of_OneDbf:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Functions:
~~~~~~~~~~
In last defined Dbf class object is such OneDbf class object searched for,
which o:Name is equal to recieved parameter. If it is found, it returns
its copy, if not the process is aborted.


Parameter description:
~~~~~~~~~~~~~~~~~~~~~
cName: object name (Alias() of some opened database file) which is to search
       for in last defined class Dbf object.

Return value:
~~~~~~~~~~~~~~~~~~
object_of_OneDbf

Source code is in file  c_dbf.prg.