val inbuffer : [ `Inbuffer ] Ctypes.structure Ctypes.typval inbuf_psrc : (unit Ctypes_static.ptr, [ `Inbuffer ] Ctypes.structure) Ctypes.fieldval inbuf_size : (Unsigned.size_t, [ `Inbuffer ] Ctypes.structure) Ctypes.fieldval inbuf_pos : (Unsigned.size_t, [ `Inbuffer ] Ctypes.structure) Ctypes.fieldval outbuffer : [ `Outbuffer ] Ctypes.structure Ctypes.typval outbuf_pdst : (unit Ctypes_static.ptr, [ `Outbuffer ] Ctypes.structure) Ctypes.fieldval outbuf_size : (Unsigned.size_t, [ `Outbuffer ] Ctypes.structure) Ctypes.fieldval outbuf_pos : (Unsigned.size_t, [ `Outbuffer ] Ctypes.structure) Ctypes.fieldval cctx : Context.Compression.t Ctypes.typval dctx : Context.Decompression.t Ctypes.typ