waiting_list_t
waiting_list_t *chg_w_first; /* the head of the linked list */
waiting_list_t *chg_w_last; /* the tail of the linked list */
waiting_list_t **wlp)
waiting_list_t *wl;
if ((wl = (waiting_list_t *)calloc(1, sizeof (waiting_list_t)))
waiting_list_t *wl;
waiting_list_t *wl;
waiting_list_t *wl = NULL;