ctf_list_t
#define ctf_list_prev(elem) ((void *)(((ctf_list_t *)(elem))->l_prev))
#define ctf_list_next(elem) ((void *)(((ctf_list_t *)(elem))->l_next))
ctf_list_t cd_list; /* linked list pointers */
ctf_list_t cd_nodes[CTF_PREC_MAX]; /* declaration node stacks */
ctf_list_append(ctf_list_t *lp, void *new)
ctf_list_t *p = lp->l_prev; /* p = tail list element */
ctf_list_t *q = new; /* q = new list element */
ctf_list_prepend(ctf_list_t *lp, void *new)
ctf_list_t *p = new; /* p = new list element */
ctf_list_t *q = lp->l_next; /* q = head list element */