// Copyright 2013 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 (386 || amd64 || s390x || ppc64le || ppc64) && !purego

package sha256

//go:noescape

// Copyright 2013 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 (amd64 || 386 || arm || ppc64le || ppc64 || s390x || arm64) && !purego

package md5

const haveAsm = true

//go:noescape

// Copyright 2013 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 darwin || dragonfly || freebsd || netbsd || openbsd

package term

import "golang.org/x/sys/unix"

const ioctlReadTermios = unix.TIOCGETA

// errorcheck

//go:build 386 || amd64p32 || arm

// Copyright 2011 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.

// Issue 2444

package main
func main() {
	var arr [1000200030]int   // GC_ERROR "type .* too large"
	arr_bkup := arr
	_ = arr_bkup

// Copyright 2013 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.

#include <stdio.h>
#include "issue4339.h"

static void
impl(void)
{
	//printf("impl\n");
}

Issue4339 exported4339 = {"bar", impl};

void
handle4339(Issue4339 *x)
{
	//printf("handle\n");
	x->bar();
	//printf("done\n");

// Copyright 2010 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.

// Windows environment variables.

package windows

import (
	"syscall"
	"unsafe"
)

func Getenv(key string) (value string, found bool) {
	return syscall.Getenv(key)
}

func Setenv(key, value string) error {
	return syscall.Setenv(key, value)
}

// Copyright 2011 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.

package json

import (
	"testing"
)

func TestTagParsing(t *testing.T) {
	name, opts := parseTag("field,foobar,foo")
	if name != "field" {
		t.Fatalf("name = %q, want field", name)
	}
	for _, tt := range []struct {
		opt  string
		want bool
	}{
		{"foobar", true},

// Copyright 2011 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.

package poll

import "syscall"

// maxSendfileSize is the largest chunk size we ask the kernel to copy
// at a time.
const maxSendfileSize int = 4 << 20

// SendFile wraps the sendfile system call.
func SendFile(dstFD *FD, src int, remain int64) (written int64, err error, handled bool) {

// Copyright 2011 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 js || wasip1

package net

import "syscall"

func setIPv4MulticastInterface(fd *netFD, ifi *Interface) error {
	return syscall.ENOPROTOOPT
}

func setIPv4MulticastLoopback(fd *netFD, v bool) error {
	return syscall.ENOPROTOOPT
}

// Copyright 2010 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.

// Package rand implements a cryptographically secure
// random number generator.
package rand

import "io"

// Reader is a global, shared instance of a cryptographically
// secure random number generator.
//
//   - On Linux, FreeBSD, Dragonfly, and Solaris, Reader uses getrandom(2)