program to Reverse a linked list

Answer Posted / raj

void linkreverse()
{
node *p=head,*q=head->next,*r=q->next,*temp;
p->next=NULL;
temp=p;
while(p!=tail)
{
q->next=p;
p=q;
if(r!=NULL)
{
q=r;
r=q->next;
}
}
head=p;
tail=temp;
}

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