linklist.c

   1 #define DLIST_ADD(list, p) dlist_add((void *)list, (void *)p, \
   2                                      (void **)&list->next, \
   3                                      (void **)&list->prev, \
   4                                      (void **)&p->next, \
   5                                      (void **)&p->prev)
   6