ct_call_next
(e)->call_next = ctp->ct_call_next; \
ctp->ct_call_next->call_prev = (e); \
ctp->ct_call_next = (e); \
for (cp = (ctp)->ct_call_next; \
for (e = ctp->ct_call_next;
ctp[i].ct_call_next = (calllist_t *)&ctp[i];