#define _GNU_SOURCE

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


int main()
{
  int ret = fchdir(0);

  printf("fchdir(0) returns %d, current_directory = %s\n",ret,get_current_dir_name());

  unlink("/tmp/tempfile1");
  int newfd = creat("/tmp/tempfile1",S_IRWXU);
  ret = fchdir(newfd);
  printf("fchdir(/tmp/tempfile1) = %d, current_directory = %s\n",ret,get_current_dir_name());

  newfd = open("/tmp",S_IRUSR);
  ret = fchdir(newfd);
  printf("fchdir(/tmp) = %d, current_directory = %s \n",ret,get_current_dir_name());

  newfd = open("/bin",S_IRUSR);
  ret = fchdir(newfd);
  printf("fchdir(/bin) = %d, current_directory = %s \n",ret,get_current_dir_name());

}