23     time (&t);

    23     time (&t);

    24     time_str = gmtime (&t);

    24     time_str = gmtime (&t);

    25 

    25 

    26     start = time_str->tm_hour * 60 * 60 + time_str->tm_min * 60 + time_str->tm_sec;

    26     start = time_str->tm_hour * 60 * 60 + time_str->tm_min * 60 + time_str->tm_sec;

    27 

    27 

    29 

    31 

    30     time (&t);

    32     time (&t);

    31     time_str = gmtime (&t);

    33     time_str = gmtime (&t);

    32 

    34 

    33     end = time_str->tm_hour * 60 * 60 + time_str->tm_min * 60 + time_str->tm_sec;

    35     end = time_str->tm_hour * 60 * 60 + time_str->tm_min * 60 + time_str->tm_sec;