68 usage(void)  in usage()  function
125 				usage();  in initattr()
132 				usage();  in initattr()
137 			usage();  in initattr()
145 		usage();  in initattr()
190 		usage();  in showattr()
233 		usage();  in main()
237 			usage();  in main()
244 			usage();  in main()
251 			usage();  in main()
261 			usage();  in main()
282 		usage();  in main()