// The segment is returned unescaped, if possible.
func firstSegment(path string) (seg, rest string) {
	if path == "/" {
		return "/", ""
	}
	path = path[1:] // drop initial slash
	i := strings.IndexByte(path, '/')
	if i < 0 {
		i = len(path)
	}
	return pathUnescape(path[:i]), path[i:]
}

// matchingMethods adds to methodSet all the methods that would result in a

		case "json":
			// JSON allows using spaces in the name, so skip it.
			comma := strings.IndexRune(value, ',')
			if comma < 0 {
				continue
			}
			value = value[comma+1:]
		}

		if strings.IndexByte(value, ' ') >= 0 {
			return errTagValueSpace
		}
	}
	return nil

	}
	if cr.n == 0 {
		cr.err = io.EOF
	}
}

func (cr *chunkedReader) chunkHeaderAvailable() bool {
	n := cr.r.Buffered()
	if n > 0 {
		peek, _ := cr.r.Peek(n)
		return bytes.IndexByte(peek, '\n') >= 0
	}
	return false
}

func (cr *chunkedReader) Read(b []uint8) (n int, err error) {
	for cr.err == nil {
		if cr.checkEnd {
			if n > 0 && cr.r.Buffered() < 2 {

		return s
	}
	i := bytes.IndexByte(t.funcnametab[off:], 0)
	s := string(t.funcnametab[off : off+uint32(i)])
	t.funcNames[off] = s
	return s
}

// stringFrom returns a Go string found at off from a position.
func (t *LineTable) stringFrom(arr []byte, off uint32) string {
	if s, ok := t.strings[off]; ok {
		return s
	}
	i := bytes.IndexByte(arr[off:], 0)
	s := string(arr[off : off+uint32(i)])

func (sh *Shell) writeFile(file string, text []byte) error {
	if cfg.BuildN || cfg.BuildX {
		switch {
		case len(text) == 0:
			sh.ShowCmd("", "echo -n > %s # internal", file)
		case bytes.IndexByte(text, '\n') == len(text)-1:
			// One line. Use a simpler "echo" command.
			sh.ShowCmd("", "echo '%s' > %s # internal", bytes.TrimSuffix(text, []byte("\n")), file)
		default:
			// Use the most general form.

//
//	cgi.Handler{
//	  ...
//	  Env: []string{"SCRIPT_FILENAME=foo.php"},
//	}
func removeLeadingDuplicates(env []string) (ret []string) {
	for i, e := range env {
		found := false
		if eq := strings.IndexByte(e, '='); eq != -1 {
			keq := e[:eq+1] // "key="
			for _, e2 := range env[i+1:] {
				if strings.HasPrefix(e2, keq) {
					found = true
					break
				}
			}
		}
		if !found {

}

// parseString parses bytes as a NUL-terminated C-style string.
// If a NUL byte is not found then the whole slice is returned as a string.
func (*parser) parseString(b []byte) string {
	if i := bytes.IndexByte(b, 0); i >= 0 {
		return string(b[:i])
	}
	return string(b)
}

// formatString copies s into b, NUL-terminating if possible.
func (f *formatter) formatString(b []byte, s string) {
	if len(s) > len(b) {

	seen := make(map[nameHash]bool)
	seenUnverified := make(map[string]bool)
	numSig := 0
	for len(sigs) > 0 {
		// Pull out next signature line.
		// We know sigs[len(sigs)-1] == '\n', so IndexByte always finds one.
		i := bytes.IndexByte(sigs, '\n')
		line := sigs[:i]
		sigs = sigs[i+1:]

		if !bytes.HasPrefix(line, sigPrefix) {
			return nil, errMalformedNote
		}
		line = line[len(sigPrefix):]

			lib.Main = true
		}
		if line == "" {
			break
		}
	}

	// look for cgo section
	p0 := strings.Index(data, "\n$$  // cgo")
	var p1 int
	if p0 >= 0 {
		p0 += p1
		i := strings.IndexByte(data[p0+1:], '\n')
		if i < 0 {
			fmt.Fprintf(os.Stderr, "%s: found $$ // cgo but no newline in %s\n", os.Args[0], filename)
			return
		}
		p0 += 1 + i

		p1 = strings.Index(data[p0:], "\n$$")
		if p1 < 0 {

	ival uint64
}

type elfAttributeList struct {
	data []byte
	err  error
}

func (a *elfAttributeList) string() string {
	if a.err != nil {
		return ""
	}
	nul := bytes.IndexByte(a.data, 0)
	if nul < 0 {
		a.err = io.EOF
		return ""
	}
	s := string(a.data[:nul])
	a.data = a.data[nul+1:]
	return s
}

func (a *elfAttributeList) uleb128() uint64 {
	if a.err != nil {