The reason for using a header node to point to a linked list is

Question

Accepted Answer

Given a pointer p to a node in a list, you can insert a new node 
 
after (*p) but not before (*p), and if the new node should go 
 
at the beginning that means it can be inserted after the header

Answer

Given a pointer p to a node in a list, you can insert a new node 
 
before (*p) but not after (*p).

Answer

It is impossible to have a pointer which is not part of a record

Crowdly

The reason for using a header node to point to a linked list is

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