I have a linked list with another linked list in it and I want to integrate data in them but I couldn't.

Here is my code:

Structures declaration:

```
typedef struct BigStructure {
    UINT x;
    UINT y;

    struct SmallStructure* smallStructure;

    struct BigStructure* next;
} BigStructure;

typedef struct SmallStructure {
    UINT x;
    UINT y;

    struct SmallStructure* next;
} SmallStructure;

```

Structures manipulation functions:

```
BigStructure* addLinkedListElement(BigStructure* linkedList)
{
    if(linkedList-> next == NULL)
    {
        return NULL;
    }

    BigStructure* newLinkedList = malloc(sizeof(linkedList));
    newLinkedList->next = linkedList;
    return newLinkedList;
}

BigStructure* removeLinkedListElement(BigStructure* linkedList)
{
    //If the list is empty, we return NULL
    if(linkedList == NULL)
        return NULL;

    //If the list contains one element
    if(linkedList->next == NULL)
    {
        free(linkedList);
        return NULL;
    }

    //if the list contains at least 2 elements
    BigStructure* tmp = linkedList;
    BigStructure* ptmp = linkedList;

    /* Tant qu'on n'est pas au dernier élément */
    while(tmp->next != NULL)
    {
        //ptmp stores the address of tmp
        ptmp = tmp;
        //We move tmp (but pmpt keeps the old value of tmp)
        tmp = tmp->next;
    }

    ptmp->next = NULL;
    free(tmp);
    return linkedList;
}

BigStructure* getLinkedListElement(BigStructure* linkedList, int id)
{
    int i = 0;

    for(i=0; i<id && linkedList != NULL; i++)
    {
        linkedList = linkedList->next;
    }

    if(linkedList == NULL)
    {
        return NULL;
    }
    else
    {
        return linkedList;
    }
}

```

I tried the above code to access a SmallStructure variable, but I get a big number (looks like an address):

```
BigStructure* bigStructure = NULL;

void addBigStructure(UINT x, UINT y) {

        if(bigStructureNb == 1)
        {
            bigStructure->x = x;
            bigStructure->y = y;
        }
        else
        {
            BigStructure* newBigStructure;
            newBigStructure = (BigStructure*)addLinkedListElement((BigStructure*)&bigStructure);
            newBigStructure->x = x;
            newBigStructure->y = y;
        }
}

void addSmallStucture(UINT x, UINT y) {

    if(smallStructuresNb == 1)
    {
        bigStructure->startTrigger = malloc(sizeof(BigStructure*));
        bigStructure->startTrigger->x = x;
        bigStructure->startTrigger->y = y;
    }
    else
    {
        BigStructure* tmpBigStructure = NULL;
        tmpBigStructure = (BigStructure*)getLinkedListElement(&bigStructure, rowID); //Table row ID
        g_print("%d", tmpBigStructure->id); //Here I get a false value !!!!
        //Here I want to set the value of the tmpBigStructure->smallStructure->x/y
}
}

```