golang syscall_linux_gc_arm 代码
文件路径：/src/cmd/vendor/golang.org/x/sys/unix/syscall_linux_gc_arm.go
/ Copyright 2009 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.
/go:build arm && gc && linux
/ +build arm,gc,linux
package unix
import "syscall"
/ Underlying system call writes to newoffset via pointer.
/ Implemented in assembly to avoid allocation.
func seek(fd int, offset int64, whence int) (newoffset int64, err syscall.Errno)