auth_xfer_create
x = auth_xfer_create(az, z);
struct auth_xfer* auth_xfer_create(struct auth_zones* az, struct auth_zone* z);
xfr = auth_xfer_create(worker->env.auth_zones, item->new_z);
xfr = auth_xfer_create(worker->env.auth_zones, item->new_z);
x = auth_xfer_create(az, z);
struct auth_xfer* auth_xfer_create(struct auth_zones* az, struct auth_zone* z);