//error me dice controlador no valido
#include <iostream>
#include <conio.h>
#include <cstdlib>
#include <stdlib.h>
#include <stdio.h> 
using namespace std;
struct nodo{
	int nro;
	struct nodo*sig;
 
};
typedef struct nodo *apilar *desapilar; 
void push(int valor, apilar & tope)
{
	aux=new(struct nodo)
	aux->nro=valor;
	aux->sig=tope;
	tope=aux;
}
void pop(int valor, desapilar & tope)
{
  (struct nodo)new=aux;
  nro=valor->aux;
  sig=tope->aux;
  aux=tope;   
}
int main()
{
	int p;
	int NULL;
	int dato;
	apilar *p;
	p=NULL;
	push(dato,p)
	p->NULL;
	return 0;
}