MFCOB370 

Comparisons Involving Data Items with USAGE PROCEDURE-POINTER (Relation Condition)

General Format


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Syntax Rules

  1. Identifier-1 and identifier-2 refer to items with USAGE IS PROCEDURE-POINTER.
  2. Only one operand in the comparison can be the figurative constant NULL.

General Rules

  1. The operands are equal if the two addresses are the same, otherwise they are unequal.
  2. This type of relation condition is allowed in IF, PERFORM, EVALUATE and SEARCH (Format 1) statements. It is not allowed in SEARCH (Format 2) statements (SEARCH ALL) because no meaningful ordering can be applied to pointer data items.