chdir man page on Ultrix

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chdir(2)							      chdir(2)

       chdir - change working directory

       char *path;

       The  path  is the pathname of a directory.  The system call causes this
       directory to become the current working directory, which is the	start‐
       ing point for pathnames that do not begin at the root directory (/).

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

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

       Differs	from the System V definition in that ELOOP is a possible error

       The system call fails and the current working  directory	 is  unchanged
       under the following conditions:

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

       [ENAMETOOLONG] A	 component of a pathname exceeds 255 characters, or an
		      entire path name exceeds 1023 characters.

       [ENOENT]	      The named directory does not exist or the path points to
		      an  empty string and the environment defined is POSIX or

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

       [EFAULT]	      The  path points outside the process's allocated address

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

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

       [ESTALE]	      The file handle given in the argument was invalid.   The
		      file referred to by that file handle no longer exists or
		      has been revoked.

       [ETIMEDOUT]    A	 connect  request  or  remote  file  operation	failed
		      because  the  connected  party  did not properly respond
		      after a period of time that is dependent on the communi‐
		      cations protocol.

See Also


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