Function libz_sys::deflateInit2_

pub unsafe extern "system" fn deflateInit2_(strm: z_streamp,
                                            level: c_int,
                                            method: c_int,
                                            windowBits: c_int,
                                            memLevel: c_int,
                                            strategy: c_int,
                                            version: *const c_char,
                                            stream_size: c_int)
                                            -> c_int