The rear pointer keeps track of the last node, the address of current node (node) is assigned to link
field of the previous node.
3) rear=node;
Before creating the next node, the address of the last created node is assigned to pointer rear, which
is used for statement (2). In function main (), using while loop the elements of the linked list are
displayed.
Header: The pointer header is very useful in the formation of a linked list. The address of first
node (1888) is stored in the pointer header. The value of the header remains unchanged until
it turns out to be NULL. The st
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