_unused_ 72 src/libsystemd-network/dhcp-internal.h _cleanup_dhcp_client_unref_ _unused_ sd_dhcp_client *_dont_destroy_##client = sd_dhcp_client_ref(client) _unused_ 143 src/libsystemd-network/sd-dhcp6-client.c _cleanup_dhcp6_client_unref_ _unused_ sd_dhcp6_client *_dont_destroy_##client = sd_dhcp6_client_ref(client) _unused_ 378 src/libsystemd/sd-bus/bus-internal.h _cleanup_bus_unref_ _unused_ sd_bus *_dont_destroy_##bus = sd_bus_ref(bus) _unused_ 211 src/libsystemd/sd-resolve/sd-resolve.c _cleanup_resolve_unref_ _unused_ sd_resolve *_dont_destroy_##resolve = sd_resolve_ref(resolve) _unused_ 134 src/libsystemd/sd-rtnl/rtnl-internal.h _cleanup_rtnl_unref_ _unused_ sd_rtnl *_dont_destroy_##rtnl = sd_rtnl_ref(rtnl) _unused_ 465 src/shared/util.h void columns_lines_cache_reset(int _unused_ signum);