POWEROFF_CMD_PATH_LEN 70 include/linux/reboot.h extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN]; POWEROFF_CMD_PATH_LEN 1747 kernel/sys.c char poweroff_cmd[POWEROFF_CMD_PATH_LEN] = "/sbin/poweroff"; POWEROFF_CMD_PATH_LEN 814 kernel/sysctl.c .maxlen = POWEROFF_CMD_PATH_LEN,