Red pokazivac

#include <cstdlib>
#include <iostream>
 
using namespace std;
 
 
struct tpopis
{      int rb;
       int x;
       int y; 
       int p;      
       };
 
struct t{
       tpopis popis;
       t *sljedeci;
       };
 
struct r{
       t *front, *rear;
       };
 
void initq(r *red){
     red->front=(t*)malloc(sizeof(t));//alociranje pokazivaA?i?1A���?��1a front
     red->front->sljedeci=NULL;
     red->rear=red->front;
     cout<<"Red je inicijaliziran"<<endl;
     };
 
bool isemptyq(r *red){
     if(red->front==red->rear) return true;
     else return false;
     };
 
void enqueueq(tpopis x,r *red){
     t *pom;
     pom=new t;
     pom->popis=x;
     pom->sljedeci=NULL;
     red->rear->sljedeci=pom;
     red->rear=pom;
     };
 
void dequeueq(r *red){
     t *pom;
     if(isemptyq(red)) cout<<"red je prazan";
     else{
          pom=red->front;
          red->front=red->front->sljedeci;
          free(pom);
          }
     };
 
tpopis frontq(r *red){
       if(isemptyq(red)) cout<<"red je prazan";
       else return (red->front->sljedeci->popis);
       };