#include "list-support.h"

int main(void) {
    list_elem_t *head = make_abcd();
    if (head == NULL) return EXIT_FAILURE;
    puts("before:");
    print_list(head);
    // slide:operation:begin
    /* Unlink one node, then release it. */
    // slide:operation:end
    puts("after:");
    print_list(head);
    clear_list(head);
    return EXIT_SUCCESS;
}