LIST_NEXT
list_scb = LIST_NEXT(list_scb, collision_links);
next_scb = LIST_NEXT(scb, collision_links);
scbp_next = LIST_NEXT(scbp, pending_links);
list_scb = LIST_NEXT(list_scb, collision_links);
scbp_next = LIST_NEXT(scbp, pending_links);
(var) = LIST_NEXT((var), field))
if ((LIST_NEXT((elm), field) = LIST_NEXT((listelm), field)) != NULL)\
LIST_NEXT((listelm), field)->field.le_prev = \
&LIST_NEXT((elm), field); \
LIST_NEXT((listelm), field) = (elm); \
(elm)->field.le_prev = &LIST_NEXT((listelm), field); \
LIST_NEXT((elm), field) = (listelm); \
(listelm)->field.le_prev = &LIST_NEXT((elm), field); \
if ((LIST_NEXT((elm), field) = LIST_FIRST((head))) != NULL) \
LIST_FIRST((head))->field.le_prev = &LIST_NEXT((elm), field);\
if (LIST_NEXT((elm), field) != NULL) \
LIST_NEXT((elm), field)->field.le_prev = \
*(elm)->field.le_prev = LIST_NEXT((elm), field); \