#include <unistd.h>
#include <sys/stat.h>
#include <stdio.h>
#include <limits.h>
#include <string.h>

int main ()
{
  char buf[100000];
  char name[] = "012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789";
  char *result;

  printf ("PATH_MAX = %d\n", PATH_MAX);

  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);
  mkdir (name, 0777);
  chdir (name);

  result = getcwd (buf, sizeof buf);
  if (result >= 0)
    printf ("length: %d\n", strlen (result));
  else
    perror ("error");
  printf ("%s\n", result);
  return 0;
}
/* On GNU/kFreeBSD:   gcc -O -Wall a.c   */
/* On Linux:
   gcc -O -Wall -c glibc-cvs/sysdeps/posix/getcwd.c -DSTDC_HEADERS -DHAVE_UNISTD_H -DHAVE_LIMITS_H -DDIRENT -D__lstat=lstat -D__opendir=opendir -D__readdir=readdir -D__closedir=closedir
   gcc -O -Wall a.c getcwd.o
 */