// reading a new chunk header.
				break
			}
			cr.beginChunk()
			continue
		}
		if len(b) == 0 {
			break
		}
		rbuf := b
		if uint64(len(rbuf)) > cr.n {
			rbuf = rbuf[:cr.n]
		}
		var n0 int
		n0, cr.err = cr.r.Read(rbuf)
		n += n0
		b = b[n0:]
		cr.n -= uint64(n0)
		// If we're at the end of a chunk, read the next two
		// bytes to verify they are "\r\n".

}

func (any *anyMessage) parseInterfaceMessage(b []byte) *InterfaceMessage {
	p := (*InterfaceMessage)(unsafe.Pointer(any))
	// FreeBSD 10 and beyond have a restructured mbuf
	// packet header view.
	// See https://svnweb.freebsd.org/base?view=revision&revision=254804.
	m := (*ifMsghdr)(unsafe.Pointer(any))
	p.Header.Data.Hwassist = uint32(m.Data.Hwassist)
	p.Header.Data.Epoch = m.Data.Epoch

//sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64

//sys	Pause() (err error)

func Fstatfs(fd int, buf *Statfs_t) (err error) {
	_, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf)))
	if e != 0 {
		err = errnoErr(e)
	}
	return
}

func Statfs(path string, buf *Statfs_t) (err error) {
	p, err := BytePtrFromString(path)
	if err != nil {
		return err
	}

//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
//sys	Stat(path string, stat *Stat_t) (err error)
//sys	Statfs(path string, buf *Statfs_t) (err error)
//sys	Truncate(path string, length int64) (err error)
//sys	Ustat(dev int, ubuf *Ustat_t) (err error)
//sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
//sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)

		return nil, err
	}
	return buf[0 : n/siz], nil
}

func direntIno(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
}

func direntReclen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
}

func direntNamlen(buf []byte) (uint64, bool) {

//sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)

func Fstatfs(fd int, buf *Statfs_t) (err error) {
	_, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf)))
	if e != 0 {
		err = errnoErr(e)
	}
	return
}

func Statfs(path string, buf *Statfs_t) (err error) {
	p, err := BytePtrFromString(path)
	if err != nil {
		return err
	}

		return nil, err
	}
	return buf[0 : n/siz], nil
}

func direntIno(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
}

func direntReclen(buf []byte) (uint64, bool) {
	namlen, ok := direntNamlen(buf)
	if !ok {
		return 0, false
	}
	return (16 + namlen + 1 + 7) &^ 7, true
}

func direntNamlen(buf []byte) (uint64, bool) {

	if err != nil {
		return 0, err
	}
	if t != nil {
		*t = Time_t(tv.Sec)
	}
	return Time_t(tv.Sec), nil
}

func Utime(path string, buf *Utimbuf) error {
	tv := []Timeval{
		{Sec: buf.Actime},
		{Sec: buf.Modtime},
	}
	return Utimes(path, tv)
}

func utimes(path string, tv *[2]Timeval) (err error) {
	if tv == nil {
		return utimensat(AT_FDCWD, path, nil, 0)
	}

//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
//sys	Statfs(path string, buf *Statfs_t) (err error)
//sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
//sys	Truncate(path string, length int64) (err error)
//sys	Ustat(dev int, ubuf *Ustat_t) (err error)
//sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)

	"UMNEGL",
	"UMSUBL",
	"UMULH",
	"UMULL",
	"UREM",
	"UREMW",
	"UXTB",
	"UXTBW",
	"UXTH",
	"UXTHW",
	"UXTW",
	"VADD",
	"VADDP",
	"VADDV",
	"VAND",
	"VBCAX",
	"VBIF",
	"VBIT",
	"VBSL",
	"VCMEQ",
	"VCMTST",
	"VCNT",
	"VDUP",
	"VEOR",
	"VEOR3",
	"VEXT",
	"VFMLA",
	"VFMLS",
	"VLD1",
	"VLD1R",
	"VLD2",
	"VLD2R",
	"VLD3",