// Copyright 2018 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.

// Avoid IndexByte and IndexByteString on Plan 9 because it uses
// SSE instructions on x86 machines, and those are classified as
// floating point instructions, which are illegal in a note handler.

		if len(line) == 0 {
			continue
		}
		colon := bytealg.IndexByteString(line, ':')
		if colon == -1 {
			conf.err = errors.New("no colon on line")
			return conf
		}
		db := trimSpace(line[:colon])
		srcs := line[colon+1:]
		for {
			srcs = trimSpace(srcs)
			if len(srcs) == 0 {
				break
			}
			sp := bytealg.IndexByteString(srcs, ' ')
			var src string
			if sp == -1 {
				src = srcs

import (
	"bytes"
	"strings"
)

func growstack(n int) {
	if n > 0 {
		growstack(n - 1)
	}
}

func main() {
	c := make(chan struct{})
	go compare(c)
	go equal(c)
	go indexByte(c)
	go indexByteString(c)
	<-c
	<-c
	<-c
	<-c
}

func compare(c chan struct{}) {
	defer bytes.Compare(nil, nil)
	growstack(10000)
	c <- struct{}{}
}
func equal(c chan struct{}) {
	defer bytes.Equal(nil, nil)

	n := 0
	for i := 0; i < len(s); i++ {
		if bytealg.IndexByteString(t, s[i]) >= 0 {
			n++
		}
	}
	return n
}

// Split s at any bytes in t.
func splitAtBytes(s string, t string) []string {
	a := make([]string, 1+countAnyByte(s, t))
	n := 0
	last := 0
	for i := 0; i < len(s); i++ {
		if bytealg.IndexByteString(t, s[i]) >= 0 {
			if last < i {
				a[n] = s[last:i]
				n++
			}

	} else {
		host = hostport[:i]
		if bytealg.IndexByteString(host, ':') >= 0 {
			return addrErr(hostport, tooManyColons)
		}
	}
	if bytealg.IndexByteString(hostport[j:], '[') >= 0 {
		return addrErr(hostport, "unexpected '[' in address")
	}
	if bytealg.IndexByteString(hostport[k:], ']') >= 0 {
		return addrErr(hostport, "unexpected ']' in address")
	}

//go:build !compiler_bootstrap

package strconv

import "internal/bytealg"

// index returns the index of the first instance of c in s, or -1 if missing.
func index(s string, c byte) int {
	return bytealg.IndexByteString(s, c)

package bytealg

//go:noescape
func IndexByte(b []byte, c byte) int

//go:noescape

	MOVL	b_len+4(FP), CX
	MOVB	c+12(FP), AL
	MOVL	SI, DI
	CLD; REPN; SCASB
	JZ 3(PC)
	MOVL	$-1, ret+16(FP)
	RET
	SUBL	SI, DI
	SUBL	$1, DI
	MOVL	DI, ret+16(FP)
	RET

TEXT ·IndexByteString(SB),NOSPLIT,$0-16
	MOVL	s_base+0(FP), SI
	MOVL	s_len+4(FP), CX
	MOVB	c+8(FP), AL
	MOVL	SI, DI
	CLD; REPN; SCASB
	JZ 3(PC)
	MOVL	$-1, ret+12(FP)
	RET
	SUBL	SI, DI
	SUBL	$1, DI
	MOVL	DI, ret+12(FP)

	}
	if len(lines) == 0 {
		return 0, UnknownNetworkError(name)
	}
	f := getFields(lines[0])
	if len(f) < 2 {
		return 0, UnknownNetworkError(name)
	}
	s := f[1]
	if n, _, ok := dtoi(s[bytealg.IndexByteString(s, '=')+1:]); ok {
		return n, nil
	}
	return 0, UnknownNetworkError(name)
}

func (*Resolver) lookupHost(ctx context.Context, host string) (addrs []string, err error) {

func IsPathSeparator(c uint8) bool {
	return Separator == c
}

func isLocal(path string) bool {
	return unixIsLocal(path)
}

func localize(path string) (string, error) {
	if path[0] == '#' || bytealg.IndexByteString(path, 0) >= 0 {
		return "", errInvalidPath
	}
	return path, nil
}

// IsAbs reports whether the path is absolute.
func IsAbs(path string) bool {