Random *void explicit example

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

typedef void *Item;
Item random_num() {
  int* p_numero = (int*)malloc(sizeof(int));
  srand(time(NULL));
  *p_numero = rand() % 10 + 1;
  return (Item)p_numero;
}

int main(void) {
  printf("Num: %d", *((int *)random_num()));
  return 0;
}