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 FUNCTION WORKBLOCK()

  Short:
  ------
  WORKBLOCK() Returns a set-get block for field named in an
  expression

  Returns:
  --------
  <bBlock> => a set-get block

  Syntax:
  -------
  WORKBLOCK(cExpress)

  Description:
  ------------
  Determines the work area and field name in <cExpress>
  and returns a FIELDWBLOCK() created block for it.

  Examples:
  ---------
   cExpr := "CUSTOMER->LNAME"

   bExpr := WORKBLOCK(cExpr)

   ?eval(bExpr)              // displays value

   ?eval(bExpr,"SMITH")    // sets new value

  Source:
  -------
  S_FIELDS.PRG