Link list in reverse order.

Answer Posted / ashitosh

node *reverse(node *head)
{ node *p,*q,*r;
p=NULL;
q=head;
r=q->next;
while(q!=NULL)
{
q->next=p;
p=q;
q=r;
if(q!=NULL)
r=q->next;
}
return(p);
}

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