#include <stdlib.h>
#include <stdio.h>
#define MAX 10
 
//ENTREGAR COLA CIRCULAR 
 
typedef struct{
	struct cola *head;
    struct cola *tail; 
	int nodos; //contando
} colacirc ;
 
struct cola{
	int dato;
	struct cola *sig;
};
 
 int colaVacia (colacirc *cc) {
 return cc->nodos == 0; 
 }
 
 int colaLlena(colacirc *cc ){
 	return cc->nodos == MAX;
 }
 
 struct cola nuevo (){
 	struct cola n;
 	printf("Introduce un numero");
 	scanf("%d", &n.dato );
 	return n;
 }
 
int insertarCC(colacirc *cc, struct cola c) {
	if(colaLlena(cc) == 1){
			printf("La cola esta llena\n");
			return 0;
	}
	if (colaVacia(cc) == 1)
		 cc->head = &c;
	else
		 cc->tail->sig = &c;
	     cc->tail=&c;
		 cc->nodos++;
 return 1;
 
}
 
struct cola *eliminarCC(colacirc *cc){
	struct cola *c;
	if(colaVacia(cc) == 1){
		printf("La cola esta vacian\n");
		return NULL;
	}
	c = cc->head;
	if (cc->nodos == 1 )
		cc->head = cc->tail = NULL;
	else cc->head = cc->head->sig;
	cc->nodos--;
	return c;
}
 
 
int main (){
	 struct cola *cc;
  nuevo(&cc);
insertarCC(&cc, 10);
 
return 0;
 
}