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CHDIR(2)		   Linux Programmer's Manual		      CHDIR(2)

NAME
       chdir, fchdir - change working directory

SYNOPSIS
       #include	<unistd.h>

       int chdir(const char *path);
       int fchdir(int fd);

   Feature Test	Macro Requirements for glibc (see feature_test_macros(7)):

       fchdir():
	   _BSD_SOURCE || _XOPEN_SOURCE	>= 500 ||
	   _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED
	   || /* Since glibc 2.12: */ _POSIX_C_SOURCE >= 200809L

DESCRIPTION
       chdir() changes the current working directory of	the calling process to
       the directory specified in path.

       fchdir()	 is  identical to chdir(); the only difference is that the di-
       rectory is given	as an open file	descriptor.

RETURN VALUE
       On success, zero	is returned.  On error,	-1 is returned,	and  errno  is
       set appropriately.

ERRORS
       Depending  on  the  filesystem, other errors can	be returned.  The more
       general errors for chdir() are listed below:

       EACCES Search permission	is denied for one of the components  of	 path.
	      (See also	path_resolution(7).)

       EFAULT path points outside your accessible address space.

       EIO    An I/O error occurred.

       ELOOP  Too many symbolic	links were encountered in resolving path.

       ENAMETOOLONG
	      path is too long.

       ENOENT The file does not	exist.

       ENOMEM Insufficient kernel memory was available.

       ENOTDIR
	      A	component of path is not a directory.

       The general errors for fchdir() are listed below:

       EACCES Search permission	was denied on the directory open on fd.

       EBADF  fd is not	a valid	file descriptor.

CONFORMING TO
       SVr4, 4.4BSD, POSIX.1-2001.

NOTES
       The  current  working  directory	is the starting	point for interpreting
       relative	pathnames (those not starting with '/').

       A child process created via fork(2) inherits its	parent's current work-
       ing  directory.	The current working directory is left unchanged	by ex-
       ecve(2).

SEE ALSO
       chroot(2), getcwd(3), path_resolution(7)

COLOPHON
       This page is part of release 3.74 of the	Linux  man-pages  project.   A
       description  of	the project, information about reporting bugs, and the
       latest	 version    of	  this	  page,	   can	   be	  found	    at
       http://www.kernel.org/doc/man-pages/.

Linux				  2010-11-25			      CHDIR(2)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | CONFORMING TO | NOTES | SEE ALSO | COLOPHON

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