#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
  int i;
  struct stat statbuf1, statbuf2;
  //  struct utimbuf timebuf;
  
  if (argc != 3) {
    printf("Usage: a.out file1 file2\n");
    exit(1);
  }
  
  if (stat(argv[1], &statbuf1) == -1) {
    printf("File %s not there.\n", argv[1]);
    exit(2);
  }

  if (stat(argv[2], &statbuf2) == -1) {
    printf("File %s not there.\n", argv[2]);
    exit(2);
  }

  printf("last modified time for %s is %s\n", argv[1], ctime(&(statbuf1.st_mtime)));
  printf("last modified time for %s is %s\n", argv[2], ctime(&(statbuf2.st_mtime)));

  if (statbuf1.st_mtime < statbuf2.st_mtime) {
    printf("%s is modified later.\n", argv[2]);
  } else printf("%s is modified later.\n", argv[1]);
}