1 wire communication with Bl2600

hi,
are there any sample on how to read and write to an 1 wire?
i have a 1 wire connected to a serial connector, so when i connect it to my pc as it is i can read and write it directly,(one wire view appl from the dallas website)
now i want to do the same with a rabbit processor
i connect the serial conn to the serial portC and wish to read and write from it
but i don’t find the libs needed for it or sample on how i should begin
can you help me further?
the ibutton i use is the BL1994 from dallas
thx very mutch
muk