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CHDIR(P)		   POSIX Programmer's Manual		      CHDIR(P)

NAME
       chdir - change working directory

SYNOPSIS
       #include <unistd.h>

       int chdir(const char *path);

DESCRIPTION
       The  chdir()  function  shall cause the directory named by the pathname
       pointed to by the path argument to become the  current  working	direcā€
       tory;  that  is, the starting point for path searches for pathnames not
       beginning with '/' .

RETURN VALUE
       Upon successful completion, 0 shall be returned. Otherwise, -1 shall be
       returned,  the  current	working	 directory shall remain unchanged, and
       errno shall be set to indicate the error.

ERRORS
       The chdir() function shall fail if:

       EACCES Search permission is denied for any component of the pathname.

       ELOOP  A loop exists in symbolic links encountered during resolution of
	      the path argument.

       ENAMETOOLONG
	      The length of the path argument exceeds {PATH_MAX} or a pathname
	      component is longer than {NAME_MAX}.

       ENOENT A component of path does not name an existing directory or  path
	      is an empty string.

       ENOTDIR
	      A component of the pathname is not a directory.

       The chdir() function may fail if:

       ELOOP  More  than  {SYMLOOP_MAX} symbolic links were encountered during
	      resolution of the path argument.

       ENAMETOOLONG
	      As a result of encountering a symbolic link in resolution of the
	      path  argument,  the  length  of the substituted pathname string
	      exceeded {PATH_MAX}.

       The following sections are informative.

EXAMPLES
   Changing the Current Working Directory
       The following example makes the value pointed to	 by  directory,	 /tmp,
       the current working directory.

	      #include <unistd.h>
	      ...
	      char *directory = "/tmp";
	      int ret;

	      ret = chdir (directory);

APPLICATION USAGE
       None.

RATIONALE
       The  chdir() function only affects the working directory of the current
       process.

FUTURE DIRECTIONS
       None.

SEE ALSO
       getcwd()	 ,  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 .

IEEE/The Open Group		     2003			      CHDIR(P)
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