157 static uint32_t parse_slot(int pos, int argc, char *argv[])  in parse_slot()  argument
159     if (pos > argc - 1) {  in parse_slot()
160         usage(stderr, argc, argv);  in parse_slot()
167         usage(stderr, argc, argv);  in parse_slot()
174 int main(int argc, char *argv[])  in main()  argument
179     if (argc < 2) {  in main()
180         usage(stderr, argc, argv);  in main()
199         return do_set_active_boot_slot(module, parse_slot(2, argc, argv));  in main()
201         return do_set_slot_as_unbootable(module, parse_slot(2, argc, argv));  in main()
203         return do_is_slot_bootable(module, parse_slot(2, argc, argv));  in main()
205         return do_get_suffix(module, parse_slot(2, argc, argv));  in main()
207         return do_is_slot_marked_successful(module, parse_slot(2, argc, argv));  in main()
209         usage(stderr, argc, argv);  in main()