__fuse_new
struct fuse* __fuse_new(struct fuse_args *args, const void* op,
fuse = __fuse_new(&args, op, op_version, user_data);
fuse = __fuse_new(fuse_chan_args(chan), op, op_version, user_data);
return __fuse_new(args, op, op_version, user_data);