IBM Extension
IBM Extension

VALUE Clause - Format 3 - NULL Value

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VALUE Clause - Format 3 - NULL Value

         (1)                      
>>-VALUE------+----+--+-NULL--+--------------------------------><
              '-IS-'  '-NULLS-'   

Notes:
  1. IBM® Extension

This format assigns an address that is not valid to a pointer data item or a procedure-pointer data item. A value of NULL is an undefined value.

VALUE IS NULL can only be specified for elementary items described implicitly or explicitly as USAGE IS POINTER or USAGE IS PROCEDURE-POINTER.

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