CreateIndex (e,lContinue) --> true/false:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Functions:
~~~~~~~~~~
New index file is created, its data are set according array e, it is network
capable. If the creation failed and lContinue is true it returns false, if
lContinue is false, it can continue in a program only if creation was success.

Parameter description:
~~~~~~~~~~~~~~~~~~~~~~
e:         {cName,cFile,cKey,lUnique}:
           cName: menu item name to activate the index,
           cFile : index file name,
           cKey: index key,
           lUnique indicates if the index is unique.
lContinue: if true, we can continue even when the index was not created

Return value:
~~~~~~~~~~~~~
True if creation succeeded, otherwise false.

Source code is in file  c_dbf.prg.