test/mktime.c

   1 #include <stdio.h>
   2 #include <time.h>
   3
   4 int main(void)
   5 {
   6     time_t t;
   7     struct tm *tm;
   8
   9     t=time(NULL);
  10     printf("Time before: %d\n", (int)t);
  11     tm=gmtime(&t);
  12     puts(asctime(tm));
  13     t=mktime(tm);
  14     printf("Time after: %d\n", (int)t);
  15
  16     return 0;
  17 }
  18