// Copyright 2019 The Go Authors. All rights reserved.// Use of this source code is governed by a BSD-style// license that can be found in the LICENSE file.// +build darwinpackageuniximport"unsafe"// ReadDirent reads directory entries from fd and writes them into buf.funcReadDirent(fdint,buf[]byte)(nint,errerror){// Final argument is (basep *uintptr) and the syscall doesn't take nil.// 64 bits should be enough. (32 bits isn't even on 386). Since the// actual system call is getdirentries64, 64 is a good guess.// TODO(rsc): Can we use a single global basep for all calls?varbase=(*uintptr)(unsafe.Pointer(new(uint64)))returnGetdirentries(fd,buf,base)}