VMS-name               A valid OpenVMS name.

    field-indentifier      A valid host language field identifier.

    expression             An expression that evaluates to a valid
                           host language array element.

    "->"                   The C pointer symbol. It is shown in
                           quotes to distinguish it from the arrows
                           that show the logical flow of the syntax.
                           Do not use quotes around the pointer
                           symbol in your program.