    CHDIR(II)                     8/5/73                    CHDIR(II)

    NAME
         chdir - change working directory

    SYNOPSIS
         (chdir = 12.)
         sys chdir; dirname

         chdir(dirname)
         char *dirname;

    DESCRIPTION
         Dirname  is the address of the pathname of a directory, ter-
         minated by a null byte.  Chdir causes this directory to  be-
         come the current working directory.

    SEE ALSO
         chdir(I)

    DIAGNOSTICS
         The  error  bit (c-bit) is set if the given name is not that
         of a directory or is not readable.  From C,  a  -1  returned
         value indicates an error, 0 indicates success.

                                  - 1 -