ILE COBOL Language Reference

+-------------------------------IBM Extension--------------------------------+

VALUE Clause - Format 3 - NULL Value

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.

+----------------------------End of IBM Extension----------------------------+


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