/* Return with head node of the linked list  */
void* _lv_ll_get_head(const lv_ll_t *ll_p)
/* Return with head node of the linked list  */
void* _lv_ll_get_head(const lv_ll_t *ll_p)
{
    if(ll_p == NULL) return NULL;
    return ll_p->head;
}