1CHDIR(2)                      System Calls Manual                     CHDIR(2)
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NAME

6       chdir, fchdir - change current working directory
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SYNOPSIS

9       chdir(path)
10       char *path;
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12       fchdir(fd)
13       int fd;
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DESCRIPTION

16       The  path argument points to the pathname of a directory.  The fd argu‐
17       ment is a file descriptor which  references  a  directory.   The  chdir
18       function causes this directory to become the current working directory,
19       the starting point for path names not beginning with ``/''.
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21       The fchdir function causes the directory referenced by fd to become the
22       current  working  directory,  the  starting  point for path searches of
23       pathnames not beginning with a slahs, '/'.
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25       In order for a directory to become the  current  directory,  a  process
26       must have execute (search) access to the directory.
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RETURN VALUE

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

33       Chdir will fail and the current working directory will be unchanged  if
34       one or more of the following are true:
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36       [ENOTDIR]      A component of the path prefix is not a directory.
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38       [EINVAL]       The  pathname  contains  a character with the high-order
39                      bit set.
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41       [ENAMETOOLONG] A component of a pathname exceeded 63 characters, or  an
42                      entire path name exceeded 255 characters.
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44       [ENOENT]       The named directory does not exist.
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46       [ELOOP]        Too  many symbolic links were encountered in translating
47                      the pathname.
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49       [EACCES]       Search permission is denied for  any  component  of  the
50                      path name.
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52       [EFAULT]       Path  points  outside  the  process's  allocated address
53                      space.
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55       [EIO]          An I/O error occurred while reading from or  writing  to
56                      the file system.
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58       Fchdir will fail and the current working directory will be unchanged if
59       one or more of the following are true:
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61       [EACCES]       Search permission is denied for the directory referenced
62                      by the file descriptor.
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64       [ENOTDIR]      The file descriptor fd does not reference a directory.
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66       [EBADF]        The argument fd is not a valid file descriptor.
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SEE ALSO

69       chroot(2)
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734th Berkeley Distribution       April 21, 1994                        CHDIR(2)