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 DBEVALINFO
 Information needed for a code block evaluation on each row (record) of the
 workarea
------------------------------------------------------------------------------
 Structure

     typedef struct
     {
        ITEM        bBlock;
        DBSCOPEINFO scope;
     } DBEVALINFO;
     
     typedef DBEVALINFO far * DBEVALINFOP;

 Elements

     bBlock

        Contains a code block to be evaluated (with evalBlock()) on each row
        of the workarea that is in the range defined by scope.

     scope

        Contains a data structure limiting the evaluation of bBlock (see
        DBSCOPEINFO).

     Warning!  You should perform code block evaluations with great
     caution.  Save any states that are likely to change as a result of
     re-entrance, so you can restore them after the code evaluation.

 Files:  Header file is Rdd.api.

 Used by:   dbEval()