perform_bootcfg
return perform_bootcfg(conf, &do_bootcfg_command, 32768);
perform_bootcfg(BOOTCFG_FILENAME, &do_config_command, 32768);
perform_bootcfg(conf, &bootcfg_do_noop, 0);
int perform_bootcfg(const char *, bootcfg_command, const off_t);
return perform_bootcfg(conf, &do_bootcfg_command, 32768);