#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

int main(int argc, char* argv[]) {
    int n = 5;
    int z = 7;

    /* int* const a_n = &n;  // a_n is read-only */
    /* a_n = &z; */

    int* const a_n = &n;  // a_n is read-only
  //const* int a_n = &n;  // XXX Not the same as ↑
    *a_n = 6;

  //int const* a_z = &z;  // *a_z is read-only
    const int* a_z = &z;  // OK!!  Same as ↑
    a_z = &n;
    printf("*a_z == %d\n", *a_z);

    return EXIT_SUCCESS;
}
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