Mktime C Language Implementation

Code:

#include <time.h>enum time_def{sec = 1, min = sec *, HOUR = MIN *, day = HOUR *, year = day * 365,};time_t time_difference = 8 * hour;static time_t mon_yday[2][12] ={{0, 31, 59, 90, 120, 151, 181, 212, 243, 273  , 304, 334}, {0,31, 182, 213, 244, 274, 305, 335},};int Leap (int year) {if (year% 400 = = 0) | | (year% 4 = = 0 && Year% 100! = 0))    {return 1; } return 0;}    Long Long Get_day (int year) {year = year-1;    int leap_year_num = YEAR/4-year/100 + year/400;    Long Long tol_day = year * 365 + leap_year_num; return tol_day;}    time_t mymktime (int year,int mon,int day,int hour,int min,int sec) {Long long tol_day = 0;    Year + = 1900;    Tol_day = Get_day (year)-Get_day (1970);    Tol_day + = Mon_yday[leap (year)][mon];    Tol_day + = day-1;    Long long ret = 0;    RET + = Tol_day * DAY;    RET + = hour * HOUR;    RET + = min * min;    RET + = sec * sec; return ret-time_difference;} time_t myMktime (tm* mk) {if (!MK) {return-1; } if (! (     mk->tm_sec>= 0 && mk->tm_sec <=)) {return-1; } if (! (     mk->tm_min>= 0 && mk->tm_min <=)) {return-1; } if (! (     mk->tm_hour>= 0 && mk->tm_hour <=)) {return-1; } if (! (     mk->tm_mday>= 1 && mk->tm_hour <=)) {return-1; } if (! (     mk->tm_mon>= 0 && Mk->tm_mon <=)) {return-1; } if (! (     mk->tm_year>=) {return-1;  } return Mymktime (MK-&GT;TM_YEAR,MK-&GT;TM_MON,MK-&GT;TM_MDAY,MK-&GT;TM_HOUR,MK-&GT;TM_MIN,MK-&GT;TM_SEC);}

　　

Mktime C Language Implementation