#include <time.h>

#pragma pack (push,1)
typedef struct{
        unsigned Sec :5;
        unsigned Min :6;
        unsigned Hour :5;
        unsigned Day :5;
        unsigned Month :4;
        unsigned Year :7;
}FatDate_t;
#pragma pack (pop)

DWORD get_fattime(DWORD UNIX_timestemp){
        time_t rawtime;
        struct tm * timeinfo;
        rawtime=UNIX_timestemp;
        timeinfo = localtime (&rawtime);
        DWORD FatDate=0;
        FatDate_t *FDate=(FatDate_t *)&FatDate;
        FDate->Sec=timeinfo->tm_sec>>1;
        FDate->Min=timeinfo->tm_min;
        FDate->Hour=timeinfo->tm_hour;
        FDate->Day=timeinfo->tm_mday;
        FDate->Month=timeinfo->tm_mon+1;
        FDate->Year=timeinfo->tm_year+48;

        return FatDate;
}