Function mpg123_sys::mpg123_decode

pub unsafe extern fn mpg123_decode(mh: *mut mpg123_handle,
                                   inmemory: *const c_uchar,
                                   inmemsize: size_t,
                                   outmemory: *mut c_uchar,
                                   outmemsize: size_t,
                                   done: *mut size_t)
                                   -> c_int