[ED] Fila Sequencial

#include <stdio.h>
#include <stdlib.h>
#define MAX 5


typedef struct fila{
    int * valor;
    int topo;
    int qtd;
} Fila;

Fila * criaFila(){
    Fila * f= (Fila*)malloc(sizeof(Fila));
    f->valor = (int*)(malloc(MAX*sizeof(int)));
    f->topo = 0;
    f->qtd = 0;
    return f;
}

void push(int n, Fila *f){

        f->valor[(f->topo)%MAX] = n;
        f->topo++;
        f->topo = (f->topo)%MAX;
        f->qtd++;

}

int pop(Fila *f){
    int aux = -1;
    if(!filaVazia(f)){
        aux = f->valor[f->topo-f->qtd];
        f->qtd--;
        return aux;
    }
    return aux;
}

int filaVazia(Fila * f){
    return f->qtd == 0;
}

int filaCheia(Fila * f){
    return f->qtd == MAX;
}

void printaFila(Fila *f){
    printf("Fila: ");
    for(int i = f->topo + MAX - f->qtd; i<MAX; i++){
        printf("%d ", f->valor[i]);
    }
    for(int i = 0; i<f->topo; i++){
        printf("%d ", f->valor[i]);
    }
    printf("\n");
}


int main(){
    Fila * f = criaFila();

    push(1, f);
    push(2, f);
    push(3, f);
    push(4, f);
    push(5, f);
    pop(f);
    pop(f);
    push(1, f);
    push(1, f);
    pop(f);
    push(1, f);

    printaFila(f);

}