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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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#include <list.h>
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#include <list.h>
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/** Check for membership
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 *
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 * Check whether link is contained in the list head.
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 * The membership is defined as pointer equivalence.
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 *
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 * @param link Item to look for.
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 * @param head List to look in.
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 *
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 * @return 1 if link is contained in head, 0 otherwise.
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 *
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 */
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int list_member(link_t *link, link_t *head)
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int list_member(link_t *link, link_t *head)
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{
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{
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    int found = 0;
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    int found = 0;
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    link_t *hlp = head->next;
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    link_t *hlp = head->next;
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    }
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    }
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    return found;
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    return found;
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}
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}
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/** Concatenate two lists
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 *
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 * Concatenate lists head1 and head2, producing a single
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 * list head1 containing items from both (in head1, head2
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 * order) and empty list head2.
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 *
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 * @param head1 First list and concatenated output
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 * @param head2 Second list and empty output.
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 *
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 */
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void list_concat(link_t *head1, link_t *head2)
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void list_concat(link_t *head1, link_t *head2)
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{
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{
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    if (list_empty(head2))
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    if (list_empty(head2))
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        return;
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        return;
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