payload_tag_t 53 uspace/lib/cpp/include/__bits/memory/shared_payload.hpp inline constexpr payload_tag_t payload_tag{}; payload_tag_t 377 uspace/lib/cpp/include/__bits/memory/shared_ptr.hpp shared_ptr(aux::payload_tag_t, aux::shared_payload_base<element_type>* payload)HelenOS homepage, sources at GitHub