r.Header = http.Header{}

	r.Host = params["HTTP_HOST"]

	if lenstr := params["CONTENT_LENGTH"]; lenstr != "" {
		clen, err := strconv.ParseInt(lenstr, 10, 64)
		if err != nil {
			return nil, errors.New("cgi: bad CONTENT_LENGTH in environment: " + lenstr)
		}
		r.ContentLength = clen
	}

	if ct := params["CONTENT_TYPE"]; ct != "" {
		r.Header.Set("Content-Type", ct)
	}

	netbsd32Bit = runtime.GOOS == "netbsd" && sizeofPtr == 4
)

// clen returns the index of the first NULL byte in n or len(n) if n contains no NULL byte.
func clen(n []byte) int {
	if i := bytealg.IndexByte(n, 0); i != -1 {
		return i
	}
	return len(n)
}

// Mmap manager, for use by operating system-specific implementations.

type mmapper struct {
	sync.Mutex

		}
	})
	return signalNameMap[s]
}

// clen returns the index of the first NULL byte in n or len(n) if n contains no NULL byte.
func clen(n []byte) int {
	i := bytes.IndexByte(n, 0)
	if i == -1 {
		i = len(n)
	}
	return i
}

// Mmap manager, for use by operating system-specific implementations.

type mmapper struct {
	sync.Mutex
	active map[*byte][]byte // active mappings; key is last byte in mapping

	sa.raw.Type = sa.Type
	sa.raw.Nlen = sa.Nlen
	sa.raw.Alen = sa.Alen
	sa.raw.Slen = sa.Slen
	sa.raw.Data = sa.Data
	return unsafe.Pointer(&sa.raw), SizeofSockaddrDatalink, nil
}

func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) {
	switch rsa.Addr.Family {
	case AF_LINK:
		pp := (*RawSockaddrDatalink)(unsafe.Pointer(rsa))
		sa := new(SockaddrDatalink)
		sa.Len = pp.Len
		sa.Family = pp.Family

	sa.raw.Type = sa.Type
	sa.raw.Nlen = sa.Nlen
	sa.raw.Alen = sa.Alen
	sa.raw.Slen = sa.Slen
	sa.raw.Data = sa.Data
	return unsafe.Pointer(&sa.raw), SizeofSockaddrDatalink, nil
}

func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
	switch rsa.Addr.Family {
	case AF_LINK:
		pp := (*RawSockaddrDatalink)(unsafe.Pointer(rsa))
		sa := new(SockaddrDatalink)
		sa.Len = pp.Len
		sa.Family = pp.Family

	msg.Namelen = uint32(SizeofSockaddrAny)
	var iov Iovec
	if len(p) > 0 {
		iov.Base = (*int8)(unsafe.Pointer(&p[0]))
		iov.SetLen(len(p))
	}
	var dummy int8
	if len(oob) > 0 {
		// receive at least one normal byte
		if len(p) == 0 {
			iov.Base = &dummy
			iov.SetLen(1)
		}
		msg.Accrights = (*int8)(unsafe.Pointer(&oob[0]))
		msg.Accrightslen = int32(len(oob))
	}
	msg.Iov = &iov
	msg.Iovlen = 1

func Putmsg(fd int, cl []byte, data []byte, flags int) (err error) {
	var clp, datap *strbuf
	if len(cl) > 0 {
		clp = &strbuf{
			Len: int32(len(cl)),
			Buf: (*int8)(unsafe.Pointer(&cl[0])),
		}
	}
	if len(data) > 0 {
		datap = &strbuf{
			Len: int32(len(data)),
			Buf: (*int8)(unsafe.Pointer(&data[0])),
		}
	}
	return putmsg(fd, clp, datap, flags)
}

	sa.raw.Scope_id = sa.ZoneId
	for i := 0; i < len(sa.Addr); i++ {
		sa.raw.Addr[i] = sa.Addr[i]
	}
	return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
}

func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) {
	name := sa.Name
	n := len(name)
	if n >= len(sa.raw.Path) || n == 0 {
		return nil, 0, EINVAL
	}
	sa.raw.Len = byte(3 + n) // 2 for Family, Len; 1 for NUL
	sa.raw.Family = AF_UNIX

		rws.sentHeader = true
		var ctype, clen string
		if clen = rws.snapHeader.Get("Content-Length"); clen != "" {
			rws.snapHeader.Del("Content-Length")
			if cl, err := strconv.ParseUint(clen, 10, 63); err == nil {
				rws.sentContentLen = int64(cl)
			} else {
				clen = ""
			}
		}
		_, hasContentLength := rws.snapHeader["Content-Length"]

distinct from those stored in testdata directory; clean does not remove
those files.

For more about build flags, see 'go help build'.

For more about specifying packages, see 'go help packages'.
	`,
}

var (
	cleanI         bool // clean -i flag
	cleanR         bool // clean -r flag
	cleanCache     bool // clean -cache flag
	cleanFuzzcache bool // clean -fuzzcache flag
	cleanModcache  bool // clean -modcache flag