Answer Posted / abhijit annaldas

node* getNthFromLast(node* head, int n)
{
int c;
node *nth;
while(pt!=NULL)
{
pt=pt->next;
c++;
if(c>=n)
*nth=pt;
}
if(c<n) //LL contains less than n nodes
return (*node)0;
else
return *nth;
}

Use it as..
fifth_node = getNthFromLast(head, 5);

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