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

int main(int argc, char* argv[]) {
    int* a_n = malloc(sizeof(*a_n));

    *a_n = 81;

    int stored_n = *a_n;
    free(a_n);
    // pitfall 2: reading from address after freeing
    //printf("My integer is %d stored at %p\n", *a_n, (void*)a_n);
    // fix: store the value before freeing
    printf("My integer is %d stored at %p\n", stored_n, (void*)a_n);


    return EXIT_SUCCESS;
}
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