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NAME

       fchdir - change working directory

SYNOPSIS

       #include <unistd.h>

       int fchdir(int fildes);

DESCRIPTION

       The  fchdir()  function  shall be equivalent to chdir() except that the
       directory that is to be the new current working directory is  specified
       by the file descriptor fildes.

       A  conforming  application  can  obtain a file descriptor for a file of
       type directory using open(), provided that the file  status  flags  and
       access modes do not contain O_WRONLY or O_RDWR.

RETURN VALUE

       Upon  successful  completion,  fchdir()  shall  return 0. Otherwise, it
       shall return -1 and set errno to indicate the  error.  On  failure  the
       current working directory shall remain unchanged.

ERRORS

       The fchdir() function shall fail if:

       EACCES Search  permission  is  denied  for  the directory referenced by
              fildes.

       EBADF  The fildes argument is not an open file descriptor.

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

       The fchdir() may fail if:

       EINTR  A signal was caught during the execution of fchdir().

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

       The following sections are informative.

EXAMPLES

       None.

APPLICATION USAGE

       None.

RATIONALE

       None.

FUTURE DIRECTIONS

       None.

SEE ALSO

       chdir()   ,   the  Base  Definitions  volume  of  IEEE Std 1003.1-2001,
       <unistd.h>

COPYRIGHT

       Portions of this text are reprinted and reproduced in  electronic  form
       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
       -- Portable Operating System Interface (POSIX),  The  Open  Group  Base
       Specifications  Issue  6,  Copyright  (C) 2001-2003 by the Institute of
       Electrical and Electronics Engineers, Inc and The Open  Group.  In  the
       event of any discrepancy between this version and the original IEEE and
       The Open Group Standard, the original IEEE and The Open Group  Standard
       is  the  referee document. The original Standard can be obtained online
       at http://www.opengroup.org/unix/online.html .