static void remove_list_element(line *list_head, unsigned int index) {
        line *pre = NULL;
        line *post= NULL;
        line *elem= list_head;
        unsigned int i = 0;

        if(index > 1) {
                for(i = 1; i < index; i++) {
                        pre  = elem;
                        elem = elem->next;
                        post = elem->next;
                }

                crFree(elem);

                pre->next = post;
        }else{
                pre = list_head;
                list_head = list_head->next;

                crFree(pre);
        }
}