4.3BSD-UWisc/man/cat2/chdir.2

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



NAME
     chdir - change current working directory

SYNOPSIS
     chdir(path)
     char *path;

DESCRIPTION
     _P_a_t_h is the pathname of a directory.  _C_h_d_i_r causes this
     directory to become the current working directory, the
     starting point for path names not beginning with ``/''.

     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.  Oth-
     erwise, a value of -1 is returned and _e_r_r_n_o is set to indi-
     cate the error.

ERRORS
     _C_h_d_i_r 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 255 char-
                    acters, or an entire path name exceeded 1023
                    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]       _P_a_t_h points outside the process's allocated
                    address space.

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

SEE ALSO
     chroot(2)





Printed 12/27/86         August 26, 1985                        1