Utilisation de mktime

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

int main (void)
{
  char *jour[]= {"dimanche", "lundi","mardi","mercredi","jeudi","vendredi","samedi"};
  int y, m, d;
  struct tm t;
  time_t tt;

  /* 17/04/2003*/
  y = 103; /* 2003-1900 */
  m = 4;
  d = 17;
  t.tm_sec = 0;
  t.tm_min = 0;
  t.tm_mday = d;
  t.tm_mon = m;
  t.tm_year = y;
  tt = mktime (&t);
  t = *localtime (&tt);
  printf ("date : %s %.2d/%.2d/%.4d\n", jour[t.tm_wday], d, m, (y+1900));
  return 0;
}