Values in array of structs turning into garbage values
void Initialize (List *L) {
    char* initialize = "initialize";
    int i;

    for (i=0; i<MAXLISTSIZE; i++) {
       strncpy(L->items[i].name,initialize,MAXNAMESIZE);
       L->items[i].name[MAXNAMESIZE - 1] = '';
       L->items[i].grade = 0;
       printf("L->items[i].name = %sn", L->items[i].name);
       printf("L->items[i].grade = %dn", L->items[i].grade);
    }
    L->count = 0;
}

typedef Student Item;
#define MAXLISTSIZE 4
typedef struct {
Item items[MAXLISTSIZE];
int count;
} List;

#define MAXNAMESIZE 20
typedef struct {
char name[MAXNAMESIZE];
int grade;
} Student;

int main () {
    List *newList;

    /*call initialize function*/
    newList = callInitialize();

return 0;
}

List *callInitialize () {
List *L;

List studentList;
L = &studentList;

Initialize(L);

return L;
}

List * foo()
{
  List x;     // <--- x comes to life
  return &x;  // <--- x dies here...
}

int main()
{
  List * p = foo();  // ... but its address is used here!
  p->name ...        // dereferencing an invalid address!!
}

List * initList()
{
  return malloc(sizeof(List)); // this memory is permanent
}

void freeList(List * p)
{
  free(p);
}

List *callInitialize () {
    List *L;

    List studentList;
    L = &studentList;

    Initialize(L);

    return L;
}

List *callInitialize (void) {
    List *L = malloc (sizeof (List));
    if (L != NULL)
        Initialize(&L);
    return L;
}