1 #ifndef DATETIME_H

     2 #define DATETIME_H

     3 

     4 struct datetime {

     5   int hour;

     6   int min;

     7   int sec;

     8   int wday;

     9   int mday;

    10   int yday;

    11   int mon;

    12   int year;

    13 } ;

    14 

    15 typedef long datetime_sec;

    16 

    17 extern void datetime_tai();

    18 extern datetime_sec datetime_untai();

    19 

    20 #endif