BUS_MATCH_CALLBACK   90 src/libsystemd/sd-bus/bus-slot.c         case BUS_MATCH_CALLBACK:
BUS_MATCH_CALLBACK 2828 src/libsystemd/sd-bus/sd-bus.c         s = bus_slot_allocate(bus, !slot, BUS_MATCH_CALLBACK, sizeof(struct match_callback), userdata);