register_method
if (register_method(inst, (pid_t)rv->val, (ctid_t)-1,
if (register_method(instance, child_pid, cid, method,
extern int register_method(instance_t *, pid_t, ctid_t cid, instance_method_t,
if (register_method(mp, tn, &meth) != 0) {
if (register_method(mp, tmp, &meth) != 0) {