1FCHDIR(3P)                 POSIX Programmer's Manual                FCHDIR(3P)
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PROLOG

6       This  manual  page is part of the POSIX Programmer's Manual.  The Linux
7       implementation of this interface may differ (consult the  corresponding
8       Linux  manual page for details of Linux behavior), or the interface may
9       not be implemented on Linux.
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NAME

12       fchdir - change working directory
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SYNOPSIS

15       #include <unistd.h>
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17       int fchdir(int fildes);
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DESCRIPTION

21       The fchdir() function shall be equivalent to chdir()  except  that  the
22       directory  that is to be the new current working directory is specified
23       by the file descriptor fildes.
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25       A conforming application can obtain a file descriptor  for  a  file  of
26       type  directory  using  open(), provided that the file status flags and
27       access modes do not contain O_WRONLY or O_RDWR.
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RETURN VALUE

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

35       The fchdir() function shall fail if:
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37       EACCES Search permission is denied  for  the  directory  referenced  by
38              fildes.
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40       EBADF  The fildes argument is not an open file descriptor.
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42       ENOTDIR
43              The open file descriptor fildes does not refer to a directory.
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46       The fchdir() may fail if:
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48       EINTR  A signal was caught during the execution of fchdir().
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50       EIO    An  I/O error occurred while reading from or writing to the file
51              system.
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54       The following sections are informative.
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EXAMPLES

57       None.
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APPLICATION USAGE

60       None.
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RATIONALE

63       None.
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FUTURE DIRECTIONS

66       None.
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SEE ALSO

69       chdir(),  the  Base   Definitions   volume   of   IEEE Std 1003.1-2001,
70       <unistd.h>
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73       Portions  of  this text are reprinted and reproduced in electronic form
74       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
75       --  Portable  Operating  System  Interface (POSIX), The Open Group Base
76       Specifications Issue 6, Copyright (C) 2001-2003  by  the  Institute  of
77       Electrical  and  Electronics  Engineers, Inc and The Open Group. In the
78       event of any discrepancy between this version and the original IEEE and
79       The  Open Group Standard, the original IEEE and The Open Group Standard
80       is the referee document. The original Standard can be  obtained  online
81       at http://www.opengroup.org/unix/online.html .
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85IEEE/The Open Group                  2003                           FCHDIR(3P)
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