#include <stdio.h>
#include <string.h>
#include <time.h>

time_t mktime_c(const int values[9] )
{
  struct tm m; 

  memset(&m, 0, sizeof(struct tm));

  m.tm_sec  = values[0];
  m.tm_min  = values[1];
  m.tm_hour = values[2];
  m.tm_mday = values[3];
  m.tm_mon  = values[4];
  m.tm_year = values[5];
  m.tm_wday = values[6];
  m.tm_yday = values[7];
  m.tm_isdst= values[8];

  return (time_t)mktime(&m);
}

time_t mkutctime_c(const int values[9] )
{
  struct tm m, m0; 

  memset(&m, 0, sizeof(struct tm));
  memset(&m0, 0, sizeof(struct tm));

  m.tm_sec  = values[0];
  m.tm_min  = values[1];
  m.tm_hour = values[2];
  m.tm_mday = values[3];
  m.tm_mon  = values[4];
  m.tm_year = values[5];
  m.tm_wday = values[6];
  m.tm_yday = values[7];
  m.tm_isdst= values[8];

  m0.tm_sec  = 0 ;
  m0.tm_min  = 0 ;
  m0.tm_hour = 0 ;
  m0.tm_mday = 1 ;
  m0.tm_mon  = 0 ;
  m0.tm_year = 70 ;
  m0.tm_wday = 0 ;
  m0.tm_yday = 0 ;
  m0.tm_isdst= 0 ;

  return (time_t)(mktime(&m) - mktime(&m0)) ;
}

void sub_gmtime_c(const time_t t, int values[9] )
{
  struct tm *m; 

  m = gmtime( &t );

  values[0] = m->tm_sec  ;
  values[1] = m->tm_min  ;
  values[2] = m->tm_hour ;
  values[3] = m->tm_mday ;
  values[4] = m->tm_mon  ;
  values[5] = m->tm_year ;
  values[6] = m->tm_wday ;
  values[7] = m->tm_yday ;
  values[8] = m->tm_isdst;

  return;
}