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+.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved 
+.TH "FCHDIR" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\" fchdir 
+.SH NAME
+fchdir \- change working directory
+.SH SYNOPSIS
+.LP
+\fB#include <unistd.h>
+.br
+.sp
+int fchdir(int\fP \fIfildes\fP\fB); \fP
+\fB
+.br
+\fP
+.SH DESCRIPTION
+.LP
+The \fIfchdir\fP() function shall be equivalent to \fIchdir\fP() except
+that the
+directory that is to be the new current working directory is specified
+by the file descriptor \fIfildes\fP.
+.LP
+A conforming application can obtain a file descriptor for a file of
+type directory using \fIopen\fP(), provided that the file status flags
+and access modes do not contain O_WRONLY or
+O_RDWR.
+.SH RETURN VALUE
+.LP
+Upon successful completion, \fIfchdir\fP() shall return 0. Otherwise,
+it shall return -1 and set \fIerrno\fP to indicate the
+error. On failure the current working directory shall remain unchanged.
+.SH ERRORS
+.LP
+The \fIfchdir\fP() function shall fail if:
+.TP 7
+.B EACCES
+Search permission is denied for the directory referenced by \fIfildes\fP.
+.TP 7
+.B EBADF
+The \fIfildes\fP argument is not an open file descriptor.
+.TP 7
+.B ENOTDIR
+The open file descriptor \fIfildes\fP does not refer to a directory.
+.sp
+.LP
+The \fIfchdir\fP() may fail if:
+.TP 7
+.B EINTR
+A signal was caught during the execution of \fIfchdir\fP().
+.TP 7
+.B EIO
+An I/O error occurred while reading from or writing to the file system.
+.sp
+.LP
+\fIThe following sections are informative.\fP
+.SH EXAMPLES
+.LP
+None.
+.SH APPLICATION USAGE
+.LP
+None.
+.SH RATIONALE
+.LP
+None.
+.SH FUTURE DIRECTIONS
+.LP
+None.
+.SH SEE ALSO
+.LP
+\fIchdir\fP() , the Base Definitions volume of IEEE\ Std\ 1003.1-2001,
+\fI<unistd.h>\fP
+.SH 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 .