CBitFieldMaskBit51 = 0x1000
	CBitFieldMaskBit52 = 0x800
	CBitFieldMaskBit53 = 0x400
	CBitFieldMaskBit54 = 0x200
	CBitFieldMaskBit55 = 0x100
	CBitFieldMaskBit56 = 0x80
	CBitFieldMaskBit57 = 0x40
	CBitFieldMaskBit58 = 0x20
	CBitFieldMaskBit59 = 0x10
	CBitFieldMaskBit60 = 0x8
	CBitFieldMaskBit61 = 0x4
	CBitFieldMaskBit62 = 0x2
	CBitFieldMaskBit63 = 0x1
)

type SockaddrStorage struct {
	Family uint16

			want: []byte{0x19, 0x01, 0x00},
		},
		{
			in:   FromInt32(math.MaxUint16), // max positive integer representable in three bytes
			want: []byte{0x19, 0xff, 0xff},
		},
		{
			in:   FromInt32(math.MaxUint16 + 1), // min positive integer representable in five bytes
			want: []byte{0x1a, 0x00, 0x01, 0x00, 0x00},
		},
		{

		".1.2.3",
		"1.2.3.",
		"1..2.3",
		// IPv4 address too long
		"1.2.3.4.5",
		// IPv4 in dotted octal form
		"0300.0250.0214.0377",
		// IPv4 in dotted hex form
		"0xc0.0xa8.0x8c.0xff",
		// IPv4 in class B form
		"192.168.12345",
		// IPv4 in class B form, with a small enough number to be
		// parseable as a regular dotted decimal field.
		"127.0.1",
		// IPv4 in class A form

	CBitFieldMaskBit51 = 0x1000
	CBitFieldMaskBit52 = 0x800
	CBitFieldMaskBit53 = 0x400
	CBitFieldMaskBit54 = 0x200
	CBitFieldMaskBit55 = 0x100
	CBitFieldMaskBit56 = 0x80
	CBitFieldMaskBit57 = 0x40
	CBitFieldMaskBit58 = 0x20
	CBitFieldMaskBit59 = 0x10
	CBitFieldMaskBit60 = 0x8
	CBitFieldMaskBit61 = 0x4
	CBitFieldMaskBit62 = 0x2
	CBitFieldMaskBit63 = 0x1
)

type SockaddrStorage struct {
	Family uint16

	Irq_delay_total           uint64
}

type cpuMask uint32

const (
	_NCPUBITS = 0x20
)

const (
	CBitFieldMaskBit0  = 0x1
	CBitFieldMaskBit1  = 0x2
	CBitFieldMaskBit2  = 0x4
	CBitFieldMaskBit3  = 0x8
	CBitFieldMaskBit4  = 0x10
	CBitFieldMaskBit5  = 0x20
	CBitFieldMaskBit6  = 0x40
	CBitFieldMaskBit7  = 0x80
	CBitFieldMaskBit8  = 0x100
	CBitFieldMaskBit9  = 0x200
	CBitFieldMaskBit10 = 0x400

	Irq_delay_total           uint64
}

type cpuMask uint32

const (
	_NCPUBITS = 0x20
)

const (
	CBitFieldMaskBit0  = 0x1
	CBitFieldMaskBit1  = 0x2
	CBitFieldMaskBit2  = 0x4
	CBitFieldMaskBit3  = 0x8
	CBitFieldMaskBit4  = 0x10
	CBitFieldMaskBit5  = 0x20
	CBitFieldMaskBit6  = 0x40
	CBitFieldMaskBit7  = 0x80
	CBitFieldMaskBit8  = 0x100
	CBitFieldMaskBit9  = 0x200
	CBitFieldMaskBit10 = 0x400

	if z.OldDataDir == "" {
		zb0001Len--
		zb0001Mask |= 0x10
	}
	// variable map header, size zb0001Len
	o = append(o, 0x80|uint8(zb0001Len))
	if zb0001Len == 0 {
		return
	}
	// string "BaseOptions"
	o = append(o, 0xab, 0x42, 0x61, 0x73, 0x65, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73)
	// map header, size 0
	_ = z.BaseOptions
	o = append(o, 0x80)
	// string "r"
	o = append(o, 0xa1, 0x72)

#define BLK_ROUNDS R6
#define BLK_IDX    R7

DATA ·rcon+0x00(SB)/8, $0x0f0e0d0c0b0a0908 // Permute for vector doubleword endian swap
DATA ·rcon+0x08(SB)/8, $0x0706050403020100
DATA ·rcon+0x10(SB)/8, $0x0100000001000000 // RCON
DATA ·rcon+0x18(SB)/8, $0x0100000001000000 // RCON
DATA ·rcon+0x20(SB)/8, $0x1b0000001b000000
DATA ·rcon+0x28(SB)/8, $0x1b0000001b000000
DATA ·rcon+0x30(SB)/8, $0x0d0e0f0c0d0e0f0c // MASK

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package unix

const (
	AT_EACCESS          = 0x10
	AT_FDCWD            = -0x2
	AT_REMOVEDIR        = 0x80
	AT_SYMLINK_NOFOLLOW = 0x0020

	UTIME_OMIT = -0x2

	mask1b := byte(int8(t) >> 7) // mask1b is 0xFF iff one block is enough

	separator := byte(0x80) // gets reset to 0x00 once used
	for i := byte(0); i < chunk; i++ {
		mask := byte(int8(i-nx) >> 7) // 0x00 after the end of data

		// if we reached the end of the data, replace with 0x80 or 0x00
		d.x[i] = (^mask & separator) | (mask & d.x[i])

		// zero the separator once used
		separator &= mask