[C] Dane o osobach i dzieciach

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

#define SIZE 4


struct person
{
    char *name;
    int yearOfBirth;
    int numberOfChildren;
    struct child *firstChild;
};


struct child
{
    struct person data;
    struct child *next;
};


void loadChildData(struct person *personPointer)
{
    int i;
    struct child *childPointer;

    childPointer = personPointer->firstChild;

    for(i = 0; i < personPointer->numberOfChildren; i++)
    {
        if (i == 0)
        {
            childPointer = (struct child*)malloc(sizeof(struct child));
            childPointer->data.name = (char*)malloc(sizeof(char)*(strlen(personPointer->name) + 1));
            strcpy((childPointer->data.name), personPointer->name);
            childPointer->data.numberOfChildren = 0;
            childPointer->data.firstChild = NULL;
            printf("Wprowadz date urodzenia %i dziecka dla: %s: ", (i+1), personPointer->name);
            scanf("%i", &(childPointer->data.yearOfBirth));
            childPointer->next = NULL;

            personPointer->firstChild = childPointer;
        }
        else
        {
            childPointer->next = (struct child*)malloc(sizeof(struct child));
            childPointer = childPointer->next;
            childPointer->data.name = (char*)malloc(sizeof(char)*(strlen(personPointer->name) + 1));
            strcpy((childPointer->data.name), personPointer->name);
            childPointer->data.numberOfChildren = 0;
            childPointer->data.firstChild = NULL;
            printf("Wprowadz date urodzenia %i dziecka dla: %s: ", (i+1), personPointer->name);
            scanf("%i", &(childPointer->data.yearOfBirth));
            childPointer->next = NULL;
        }
    }
    printf("%p", childPointer);
}


void showPerson(struct person *personPointer)
{
    struct child *childPointer;

    printf("Nazwisko: %s\n", personPointer->name);
    printf("Rok urodzenia: %i\n", personPointer->yearOfBirth);
    printf("Liczba dzieci: %i\n\n", personPointer->numberOfChildren);

    childPointer = personPointer->firstChild;

    if (childPointer != NULL)
    {
        showPerson(&(childPointer->data));

        while(childPointer->next != NULL)
        {
            childPointer = childPointer->next;
            showPerson(&(childPointer->data));
        }
    }
}


void showAll(struct person personArray[], int size)
{
    int i;

    for(i = 0; i < size; i++)
    {
        showPerson(&personArray[i]);
    }
}


char *findChildrenStatus(struct person personArray[], int size, char **maxChildrenParent)
{
    int i;
    int noChildren;
    int maxChildren;
    char *noChildrenAnswer;

    noChildren = 0;
    if (size >= 1)
    {
        maxChildren = personArray[0].numberOfChildren;
        *maxChildrenParent = personArray[0].name;
        if (personArray[0].numberOfChildren == 0)
        {
            noChildren = 1;
        }
    }

    for(i = 1; i < size; i++)
    {
        if(personArray[i].numberOfChildren > maxChildren)
        {
            maxChildren = personArray[i].numberOfChildren;
            *maxChildrenParent = personArray[i].name;
        }
        if (personArray[i].numberOfChildren == 0)
        {
            noChildren = 1;
        }
    }

    noChildrenAnswer = (char*)malloc(sizeof(char)*3);
    if (noChildren == 1)
    {
        noChildrenAnswer = "tak";
    }
    else
    {
        noChildrenAnswer = "nie";
    }
    return noChildrenAnswer;
}


int main()
{
    struct person personArray[SIZE];
    char *parent;
    int i;

    personArray[0].name = (char*)malloc(sizeof(char)*3);
    personArray[0].name = "Ala";
    personArray[0].yearOfBirth = 1990;
    personArray[0].numberOfChildren = 0;
    personArray[0].firstChild = NULL;

    personArray[1].name = (char*)malloc(sizeof(char)*7);
    personArray[1].name = "Andrzej";
    personArray[1].yearOfBirth = 1991;
    personArray[1].numberOfChildren = 1;
    personArray[1].firstChild = NULL;

    personArray[2].name = (char*)malloc(sizeof(char)*6);
    personArray[2].name = "Marcin";
    personArray[2].yearOfBirth = 1992;
    personArray[2].numberOfChildren = 2;
    personArray[2].firstChild = NULL;

    personArray[3].name = (char*)malloc(sizeof(char)*5);
    personArray[3].name = "Troll";
    personArray[3].yearOfBirth = 1993;
    personArray[3].numberOfChildren = 3;
    personArray[3].firstChild = NULL;

    for(i = 0; i < SIZE; i++)
    {
        loadChildData(&personArray[i]);
    }

    showAll(personArray, SIZE);

    printf("Czy jest ktos bezdzietny: %s\n", findChildrenStatus(personArray, SIZE, &parent));
    printf("Nazwisko osoby majacej najwiecej dzieci: %s\n", parent);

    return 0;
}