void deleted(List** list, char c) {
    List* p = *list;
    List* tmp = *list;
    while (p) {
        char check = 0;
        char* q = (p->field);
        while (*q && !check) {
            check = *q == c;
            q++;
        }
        if (check) {
            List* ptr = p;
            if (tmp == p) {
                *list = p->next;
                p = p->next;
                tmp = p;
            }
            else {
                p = p->next;
                tmp->next = p;
            }
            free(ptr);
        }
        else {
            if (tmp != p)
                tmp = tmp->next;
            p = p->next;
        }
    }
}