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#include <stdio.h>

#include <unistd.h>

#include <stdlib.h>

/*

extern char _heap;

void test_mremap(void)

{

    printf("Writing to good memory\n");

    mremap(&_heap, 120000, 0);

    printf("%P\n", ((char *)&_heap));

    printf("%P\n", ((char *)&_heap) + 80000);

    *(((char *)&_heap) + 80000) = 10;

    printf("Making small\n");

    mremap(&_heap, 16000, 0);

    printf("Failing..\n");

    *((&_heap) + 80000) = 10;

    printf("memory done\n");

}

*/

/*

extern char _heap;

static void test_sbrk(void)

{

    printf("Writing to good memory\n");

    printf("Got: %P\n", sbrk(120000));

    printf("%P\n", ((char *)&_heap));

    printf("%P\n", ((char *)&_heap) + 80000);

    *(((char *)&_heap) + 80000) = 10;

    printf("Making small, got: %P\n",sbrk(-120000));

    printf("Testing access to heap\n");

    _heap = 10;

    printf("Failing..\n");

    *((&_heap) + 80000) = 10;

    printf("memory done\n");

}

*/

/*

extern char _heap;

static void test_malloc(void)

{

    char *data;

    data = malloc(10);

    printf("Heap: %P, data: %P\n", &_heap, data);

    data[0] = 'a';

    free(data);

}

*/