ctmpl_dup
tmpl = ctmpl_dup(lwp->lwp_ct_active[device_type->ct_type_index]);
ctmpl_makecurrent(template, ctmpl_dup(template));
dst->lwp_ct_active[i] = ctmpl_dup(src->lwp_ct_active[i]);
ct_template_t *ctmpl_dup(ct_template_t *);