if (AC > 0)
if (FD > 0)
v831_abort(){#ifdef DEBUG        printf("[abort: AC=%d]\n", AC);#endif        sleep(2);        if (child > 0)                kill(child, SIGKILL);        if (AC > 0)                ioctl(FD, TIOCNXCL, NULL);                close(AC);        if (FD > 0)                ioctl(FD, TIOCCDTR, 0);        close(FD);}