chdir(2)                         UNIX System V                         chdir(2)


NAME
      chdir, fchdir - change working directory

SYNOPSIS
      #include <unistd.h>

      int chdir(const char *path);

      int fchdir(int fildes);

DESCRIPTION
      chdir and fchdir cause a directory pointed to by path or fildes to become
      the current working directory, the starting point for path searches for
      path names not beginning with /.  path points to the path name of a
      directory.  The fildes argument to fchdir is an open file descriptor of a
      directory.

      In order for a directory to become the current directory, a process must
      have execute (search) access to the directory.

      chdir will fail and the current working directory will be unchanged if
      one or more of the following are true:

      EACCES              Search permission is denied for any component of the
                          path name.

      EFAULT              path points outside the allocated address space of
                          the process.

      EINTR               A signal was caught during the execution of the chdir
                          system call.

      EIO                 An I/O error occurred while reading from or writing
                          to the file system.

      ELOOP               Too many symbolic links were encountered in
                          translating path.

      ENAMETOOLONG        The length of the path argument exceeds {PATHMAX},
                          or the length of a path component exceeds {NAMEMAX}
                          while POSIXNOTRUNC is in effect.

      ENOTDIR             A component of the path name is not a directory.

      ENOENT              Either a component of the path prefix or the
                          directory named by path does not exist or is a null
                          pathname.

      ENOLINK             path points to a remote machine and the link to that
                          machine is no longer active.




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chdir(2)                         UNIX System V                         chdir(2)


      EMULTIHOP           Components of path require hopping to multiple remote
                          machines and file system type does not allow it.

      fchdir will fail and the current working directory will be unchanged if
      one or more of the following are true:

      EACCES              Search permission is denied for fildes.

      EBADF               fildes is not an open file descriptor.

      EINTR               A signal was caught during the execution of the
                          fchdir system call.

      EIO                 An I/O error occurred while reading from or writing
                          to the file system.

      ENOLINK             fildes points to a remote machine and the link to
                          that machine is no longer active.

      ENOTDIR             The open file descriptor fildes does not refer to a
                          directory.

SEE ALSO
      chroot(2).

DIAGNOSTICS
      Upon successful completion, a value of zero is returned.  Otherwise, a
      value of -1 is returned and errno is set to indicate the error.


























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