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

#define DELTA 33

int calls, seed=356;

int sum_ds(int a){
 int d=DELTA;
 calls++;
 return a+d+seed;
}

int main() {
    printf("calls has the value: %d and is at address 0x%08X\n",calls,&calls);
    printf("seed has the value: %d and is at address 0x%08X\n",seed,&seed);

    int num;
    int *ptr;
    int **handle;

    printf("------------------\n");
    printf("num is at address 0x%08X and has the value: %d\n",&num,num);
    printf("ptr is at address 0x%08X, pointing to 0x%08X, and has the value: %d\n ",&ptr,ptr,*ptr);
    printf("------------------\n");
    /*printf("handle is at address 0x%08X, pointing to 0x%08X, and has the value: %d\n ",&handle,handle,*handle);*/

    num = 14;
    printf("num is at address 0x%08X and has the value: %d\n",&num,num);

    ptr = (int *)malloc(2 * sizeof(int));
    printf("ptr is at address 0x%08X, pointing to 0x%08X, and has the value: %d\n",&ptr,ptr,*ptr);

    handle = &ptr;
    /*printf("handle is at address 0x%08X\n",&handle);*/
    /*printf("handle is at address 0x%08X, pointing to 0x%08X, and has the value: %d\n ",&handle,handle,*handle);*/

    *(*handle+0) = num;
    printf("------------------\n");
    printf("This is a test to see what's *handle+0: 0x%08X\n",*handle+0);
    printf("This is a test to see what's *(*handle+0) value: %d and address 0x%08X\n",*(*handle+0),&*(*handle+0));
    printf("------------------\n");
    /*printf("handle is at address 0x%08X, pointing to 0x%08X, and has the value: %d\n ",&handle,handle,*handle);*/

    *(*handle+1) = num+1;
    /*printf("handle is at address 0x%08X, pointing to 0x%08X, and has the value: %d\n ",&handle,handle+1,*handle+1);*/
    printf("------------------\n");
    printf("This is a test to see what's *handle+1: 0x%08X\n",*handle+1);
    printf("This is a test to see what's *(*handle+1) value: %d and address 0x%08X\n",*(*handle+1),&*(*handle+1));
    printf("------------------\n");

    *ptr = num-2;
    printf("ptr is at address 0x%08X, pointing to 0x%08X, and has the value: %d\n",&ptr,ptr,*ptr);

    ptr = &num;
    printf("ptr is at address 0x%08X, pointing to 0x%08X, and has the value: %d\n",&ptr,ptr,*ptr);

    *ptr = sum_ds(num-2);
    printf("ptr is at address 0x%08X, pointing to 0x%08X, and has the value: %d\n",&ptr,ptr,*ptr);
    printf("The value of num must be the same as pointed by prt %d", num);

    return 0;
}