lucas

int deletel (tovar*&head, string name)
{
 	if (head == NULL) return 1;
 	else
 	{
 		typedef tovar* ptovar;
		ptovar todel=head, beforename, tmp;
 		if (head->name == name)
   		   {
   		   	tmp = head->next;
   		   	delete head;
   		   	head = tmp;
   		   	return 0;
	  		}
 		while (todel!=NULL && todel->name!=name)
			  {
 			  	beforename = todel;
 			  	todel=todel->next;
			   }
        if (todel == NULL) return 2;
        if (todel->next==NULL) beforename->next=NULL;
        else beforename->next=todel->next;
        delete todel;
   	}

}