S_IFCHR  = 0x2000
	S_IFDIR  = 0x4000
	S_IFBLK  = 0x6000
	S_IFREG  = 0x8000
	S_IFLNK  = 0xa000
	S_IFSOCK = 0xc000
	S_ISUID  = 0x800
	S_ISGID  = 0x400
	S_ISVTX  = 0x200
	S_IRUSR  = 0x100
	S_IWUSR  = 0x80
	S_IXUSR  = 0x40
	S_IRWXG  = 0x38
	S_IRWXO  = 0x7
)

const (
	_statfsVersion = 0x20140518
	_dirblksiz     = 0x400
)

type Stat_t struct {
	Dev           uint64
	Ino           uint64

	S_IFCHR  = 0x2000
	S_IFDIR  = 0x4000
	S_IFBLK  = 0x6000
	S_IFREG  = 0x8000
	S_IFLNK  = 0xa000
	S_IFSOCK = 0xc000
	S_ISUID  = 0x800
	S_ISGID  = 0x400
	S_ISVTX  = 0x200
	S_IRUSR  = 0x100
	S_IWUSR  = 0x80
	S_IXUSR  = 0x40
	S_IRWXG  = 0x38
	S_IRWXO  = 0x7
)

const (
	_statfsVersion = 0x20140518
	_dirblksiz     = 0x400
)

type Stat_t struct {
	Dev           uint64
	Ino           uint64

	S_IFCHR  = 0x2000
	S_IFDIR  = 0x4000
	S_IFBLK  = 0x6000
	S_IFREG  = 0x8000
	S_IFLNK  = 0xa000
	S_IFSOCK = 0xc000
	S_ISUID  = 0x800
	S_ISGID  = 0x400
	S_ISVTX  = 0x200
	S_IRUSR  = 0x100
	S_IWUSR  = 0x80
	S_IXUSR  = 0x40
	S_IRWXG  = 0x38
	S_IRWXO  = 0x7
)

const (
	_statfsVersion = 0x20140518
	_dirblksiz     = 0x400
)

type Stat_t struct {
	Dev           uint64
	Ino           uint64

	Fd      int32
	Events  int16
	Revents int16
}

const (
	POLLERR    = 0x8
	POLLHUP    = 0x10
	POLLIN     = 0x1
	POLLNVAL   = 0x20
	POLLOUT    = 0x4
	POLLPRI    = 0x2
	POLLRDBAND = 0x80
	POLLRDNORM = 0x40
	POLLWRBAND = 0x100
	POLLWRNORM = 0x4
)

type Sigset_t uint32

type Utsname struct {
	Sysname  [256]byte
	Nodename [256]byte
	Release  [256]byte
	Version  [256]byte

	return append(in, hash[:]...)
}

func (d *digest) checkSum() [Size]byte {
	len := d.len
	// Padding. Add a 1 bit and 0 bits until 56 bytes mod 64.
	var tmp [64 + 8]byte // padding + length buffer
	tmp[0] = 0x80
	var t uint64
	if len%64 < 56 {
		t = 56 - len%64
	} else {
		t = 64 + 56 - len%64
	}

	// Length in bits.
	len <<= 3
	padlen := tmp[:t+8]
	byteorder.BePutUint64(padlen[t+0:], len)

func isHTMLSpace(c byte) bool {
	return (c <= 0x20) && 0 != (htmlSpaceAndASCIIAlnumBytes[c>>3]&(1<<uint(c&0x7)))
}

func isHTMLSpaceOrASCIIAlnum(c byte) bool {
	return (c < 0x80) && 0 != (htmlSpaceAndASCIIAlnumBytes[c>>3]&(1<<uint(c&0x7)))
}

func filterSrcsetElement(s string, left int, right int, b *strings.Builder) {
	start := left
	for start < right && isHTMLSpace(s[start]) {
		start++

00000090  0d e7 42 24 fb f8 4c 14  03 03 00 01 01 16 03 03  |..B$..L.........|
000000a0  00 40 19 02 9e 3a ce b9  38 40 ce d6 3b 87 b2 f6  |.@...:..8@..;...|
000000b0  1b 7d ee 76 62 f8 6e 04  80 8f cb 1b f7 1e 1d a6  |.}.vb.n.........|
000000c0  50 8a 59 b1 ad 7d c5 9d  2f 2d 14 56 2e e5 3b b3  |P.Y..}../-.V..;.|
000000d0  db da 7e 37 10 97 71 91  d3 7b 93 f6 64 a4 d7 8b  |..~7..q..{..d...|

0.586 connectEnd
0.587 connectionAcquired
0.588 requestHeadersStart
0.590 requestHeadersEnd
0.591 responseHeadersStart
0.675 responseHeadersEnd
0.676 responseBodyStart
0.679 responseBodyEnd
0.679 connectionReleased
0.680 callEnd
REQUEST 2 (pooled connection)
0.000 callStart
0.001 connectionAcquired
0.001 requestHeadersStart
0.001 requestHeadersEnd
0.002 responseHeadersStart
0.082 responseHeadersEnd
0.082 responseBodyStart

	Fd      int32
	Events  int16
	Revents int16
}

const (
	POLLERR    = 0x8
	POLLHUP    = 0x10
	POLLIN     = 0x1
	POLLNVAL   = 0x20
	POLLOUT    = 0x4
	POLLPRI    = 0x2
	POLLRDBAND = 0x80
	POLLRDNORM = 0x40
	POLLWRBAND = 0x100
	POLLWRNORM = 0x4
)

type Sigset_t uint32

type Utsname struct {
	Sysname  [256]byte
	Nodename [256]byte
	Release  [256]byte
	Version  [256]byte

00000280  2d 1c af e2 6d 9d 91 aa  d3 0d f9 33 a5 a5 17 03  |-...m......3....|
00000290  03 00 8b 34 60 2b a5 83  76 9b 8d b9 3c 83 a1 8f  |...4`+..v...<...|
000002a0  07 80 3c 47 11 3b 4a 98  ec ba 6a e9 f2 f9 44 f9  |..<G.;J...j...D.|
000002b0  96 98 a5 23 c1 62 16 43  eb 8b 37 5d a0 87 7d 7c  |...#.b.C..7]..}||
000002c0  13 07 67 e7 85 b3 da e3  99 58 db d6 6c 32 c4 a7  |..g......X..l2..|