36 	char *udi;  in main()  local
42 	if ((udi = getenv("UDI")) == NULL)  in main()
55 	    device_file, udi));  in main()
61 	if (strstr(udi, "_ac")) {  in main()
62 		ac_adapter_update(ctx, udi, fd);  in main()
63 	} else if (strstr(udi, "_battery")) {  in main()
64 		battery_update(ctx, udi, fd);  in main()
65 	} else if (strstr(udi, "_lid")) {  in main()
66 		lid_update(ctx, udi, fd);  in main()
67 	} else if (strstr(udi, "_hotkey")) {  in main()
68 		laptop_panel_update(ctx, udi, fd);  in main()