_       uint16
	Size    int64
	Blksize int32
	Blocks  int64
	Atim    Timespec
	Mtim    Timespec
	Ctim    Timespec
	Ino     uint64
}

type Dirent struct {
	Ino    uint64
	Off    int64
	Reclen uint16
	Type   uint8
	Name   [256]int8
	_      [1]byte
}

type Flock_t struct {
	Type   int16
	Whence int16
	Start  int64
	Len    int64
	Pid    int32
}

	Size    int64
	Atim    Timespec
	Mtim    Timespec
	Ctim    Timespec
	Blksize uint32
	Pad4    uint32
	Blocks  int64
}

type Dirent struct {
	Ino    uint64
	Off    int64
	Reclen uint16
	Type   uint8
	Name   [256]int8
	_      [5]byte
}

type Flock_t struct {
	Type   int16
	Whence int16
	Start  int64
	Len    int64
	Pid    int32
	_      [4]byte
}

	Files   uint64
	Ffree   uint64
	Fsid    Fsid
	Namelen int32
	Frsize  int32
	Flags   int32
	Spare   [4]int32
}

type Dirent struct {
	Ino       uint64
	Off       int64
	Reclen    uint16
	Type      uint8
	Name      [256]int8
	Pad_cgo_0 [1]byte
}

type Fsid struct {
	X__val [2]int32
}

type Flock_t struct {
	Type   int16
	Whence int16
	Start  int64

	Rdev    uint64
	Size    int64
	Atim    Timespec
	Mtim    Timespec
	Ctim    Timespec
	Blksize int64
	Blocks  int64
	_       [3]int64
}

type Dirent struct {
	Ino    uint64
	Off    int64
	Reclen uint16
	Type   uint8
	Name   [256]int8
	_      [5]byte
}

type Flock_t struct {
	Type   int16
	Whence int16
	Start  int64
	Len    int64
	Pid    int32
	_      [4]byte
}

	Size    int64
	Blksize int64
	Blocks  int64
	Atim    Timespec
	Mtim    Timespec
	Ctim    Timespec
	_       uint64
	_       uint64
}

type Dirent struct {
	Ino    uint64
	Off    int64
	Reclen uint16
	Type   uint8
	Name   [256]int8
	_      [5]byte
}

type Flock_t struct {
	Type   int16
	Whence int16
	Start  int64
	Len    int64
	Pid    int32
	_      int16
	_      [2]byte

	Rdev    uint64
	Size    int64
	Blksize int64
	Blocks  int64
	Atim    Timespec
	Mtim    Timespec
	Ctim    Timespec
	_       [3]int64
}

type Dirent struct {
	Ino    uint64
	Off    int64
	Reclen uint16
	Type   uint8
	Name   [256]int8
	_      [5]byte
}

type Flock_t struct {
	Type   int16
	Whence int16
	Start  int64
	Len    int64
	Pid    int32
	_      [4]byte
}

	Buffer *byte
}

type Log2phys_t struct {
	Flags uint32
	_     [16]byte
}

type Fsid struct {
	Val [2]int32
}

type Dirent struct {
	Ino     uint64
	Seekoff uint64
	Reclen  uint16
	Namlen  uint16
	Type    uint8
	Name    [1024]int8
	_       [3]byte
}

type Attrlist struct {
	Bitmapcount uint16
	Reserved    uint16
	Commonattr  uint32
	Volattr     uint32

	Files   uint64
	Ffree   uint64
	Fsid    Fsid
	Namelen int64
	Frsize  int64
	Flags   int64
	Spare   [4]int64
}

type Dirent struct {
	Ino       uint64
	Off       int64
	Reclen    uint16
	Type      uint8
	Name      [256]int8
	Pad_cgo_0 [5]byte
}

type Fsid struct {
	X__val [2]int32
}

type Flock_t struct {
	Type      int16
	Whence    int16

}

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

func direntNamlen(buf []byte) (uint64, bool) {
	reclen, ok := direntReclen(buf)
	if !ok {
		return 0, false
	}
	return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true
}

		slice[i] = uintptr(x)`,
	},
	// uint8 Handled separately.
}

func main() {
	log.SetFlags(0)
	log.SetPrefix("decgen: ")
	flag.Parse()
	if flag.NArg() != 0 {
		log.Fatal("usage: decgen [--output filename]")
	}
	var b bytes.Buffer
	fmt.Fprintf(&b, "// Code generated by go run decgen.go -output %s; DO NOT EDIT.\n", *output)
	fmt.Fprint(&b, header)
	printMaps(&b, "Array")
	fmt.Fprint(&b, "\n")