list_is_empty

	LIST_IS_EMPTY(list_header.s.r)

	This macro checks to see if a list is empty.

	list_header	(list_link_t *) pointer to list header

	This function returns status values as follows:

	TRUE			list is empty
	FALSE			list contains at least one node

	This function requires the following include files:

	cnsparam_h, cbslib_h

	Related functions:

	list_init, list_insert, LIST_INSERT_HEAD, LIST_INSERT_TAIL,
	list_delete, list_remove, list_find, list_for_each, CAST_LLINK_TO