CALL SETNULL Routine

Sets a pointer element of a structure to null.
Category: C Helper

Syntax

CALL SETNULL(pointer-element);

Required Argument

pointer-element
is a pointer to a structure.

Example

The following example assumes that the same LINKLIST structure that is described in Generating a Linked List is defined using PROC PROTO. The CALL SETNULL routine can be used to set the NEXT element to null:
   struct linklist list;
   call setnull(list.next);