ARRAY of BITS in C

So how does this request/question relate or apply to the built in "bit field structure" that C has? I don't think I've ever used them or even know of a good example using them, but I recall reading years ago in my K&R bible about's Cs ability to work with bit level addressing:

http://publib.boulder.ibm.com/infocenter/macxhelp/v6v81/index.jsp?topic=%2Fcom.ibm.vacpp6m.doc%2Flanguage%2Fref%2Fclrc03defbitf.htm

Lefty