[C2hs] How to use withCStringLen?

[Magicloud Magiclouds]

Hi,
  I am new to c2hs, while learning and trying it out, I am confused on
how to use withCStringLen.
  Well, I mean how to use it in .chs file, since the code style is a
little different from .hs.
Thanks.
-- 
竹密岂妨流水过
山高哪阻野云飞
_______________________________________________
C2hs mailing list
C2hs@haskell.org
http://www.haskell.org/mailman/listinfo/c2hs