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BSD 2.11 - man page for chdir (bsd section 2)

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CHDIR(2)										 CHDIR(2)

NAME
       chdir, fchdir - change current working directory

SYNOPSIS
       chdir(path)
       char *path;

       fchdir(fd)
       int fd;

DESCRIPTION
       The  path  argument  points  to	the  pathname  of a directory.	The fd argument is a file
       descriptor which references a directory.  The chdir  function  causes  this  directory  to
       become the current working directory, the starting point for path names not beginning with
       ``/''.

       The fchdir function causes the directory referenced by fd to become  the  current  working
       directory,  the	starting point for path searches of pathnames not beginning with a slahs,
       '/'.

       In order for a directory to become the current directory,  a  process  must  have  execute
       (search) access to the directory.

RETURN VALUE
       Upon  successful  completion,  a  value	of  0  is  returned.  Otherwise, a value of -1 is
       returned and errno is set to indicate the error.

ERRORS
       Chdir will fail and the current working directory will be unchanged if one or more of  the
       following are true:

       [ENOTDIR]      A component of the path prefix is not a directory.

       [EINVAL]       The pathname contains a character with the high-order bit set.

       [ENAMETOOLONG] A  component  of	a pathname exceeded 63 characters, or an entire path name
		      exceeded 255 characters.

       [ENOENT]       The named directory does not exist.

       [ELOOP]	      Too many symbolic links were encountered in translating the pathname.

       [EACCES]       Search permission is denied for any component of the path name.

       [EFAULT]       Path points outside the process's allocated address space.

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

       Fchdir will fail and the current working directory will be unchanged if one or more of the
       following are true:

       [EACCES]       Search  permission  is  denied  for  the	directory  referenced by the file
		      descriptor.

       [ENOTDIR]      The file descriptor fd does not reference a directory.

       [EBADF]	      The argument fd is not a valid file descriptor.

SEE ALSO
       chroot(2)

4th Berkeley Distribution		  April 21, 1994				 CHDIR(2)


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