FILE
	/usr/System/sys/helpd.c

NAME
	clear_registered_help_dirs - unregister all help directories

PROTOTYPE
	void clear_registered_help_dirs(void)

CALLED BY
	System, Common, Game

DESCRIPTION
	When this function is called, the HelpD clears out all existing
	help directories.  Those directories will no longer be re-read
	by reread_help_files, nor when upgrading the HelpD.

RETURN VALUE
	Nothing.

ERRORS
	Normally none.

SEE ALSO
	reread_help_files, new_help_directory