IPV6_JOIN_GROUP                   = 0xc
	IPV6_LEAVE_GROUP                  = 0xd
	IPV6_MAXHLIM                      = 0xff
	IPV6_MAXOPTHDR                    = 0x800
	IPV6_MAXPACKET                    = 0xffff
	IPV6_MAX_GROUP_SRC_FILTER         = 0x200
	IPV6_MAX_MEMBERSHIPS              = 0xfff
	IPV6_MAX_SOCK_SRC_FILTER          = 0x80
	IPV6_MIN_MEMBERSHIPS              = 0x1f
	IPV6_MMTU                         = 0x500

	IPV6_JOIN_GROUP                   = 0xc
	IPV6_LEAVE_GROUP                  = 0xd
	IPV6_MAXHLIM                      = 0xff
	IPV6_MAXOPTHDR                    = 0x800
	IPV6_MAXPACKET                    = 0xffff
	IPV6_MAX_GROUP_SRC_FILTER         = 0x200
	IPV6_MAX_MEMBERSHIPS              = 0xfff
	IPV6_MAX_SOCK_SRC_FILTER          = 0x80
	IPV6_MIN_MEMBERSHIPS              = 0x1f
	IPV6_MMTU                         = 0x500

	DW_LANG_lo_user = 0x8000
	DW_LANG_hi_user = 0xffff
)

// Table 32
const (
	DW_ID_case_sensitive   = 0x00
	DW_ID_up_case          = 0x01
	DW_ID_down_case        = 0x02
	DW_ID_case_insensitive = 0x03
)

// Table 33
const (
	DW_CC_normal  = 0x01
	DW_CC_program = 0x02
	DW_CC_nocall  = 0x03
	DW_CC_lo_user = 0x40
	DW_CC_hi_user = 0xff
)

// Table 34
const (

	IPV6_LEAVE_GROUP                        = 0xd
	IPV6_MAXHLIM                            = 0xff
	IPV6_MAXOPTHDR                          = 0x800
	IPV6_MAXPACKET                          = 0xffff
	IPV6_MAX_GROUP_SRC_FILTER               = 0x200
	IPV6_MAX_MEMBERSHIPS                    = 0xfff
	IPV6_MAX_SOCK_SRC_FILTER                = 0x80
	IPV6_MIN_MEMBERSHIPS                    = 0x1f

	F_GETNOSIGPIPE                    = 0xd
	F_GETOWN                          = 0x5
	F_MAXFD                           = 0xb
	F_OK                              = 0x0
	F_PARAM_MASK                      = 0xfff
	F_PARAM_MAX                       = 0xfff
	F_RDLCK                           = 0x1
	F_SETFD                           = 0x2
	F_SETFL                           = 0x4
	F_SETLK                           = 0x8

	}
	if rand.Intn(10) > 5 {
		m.extendedMasterSecret = true
	}
	for i := 0; i < rand.Intn(5); i++ {
		m.supportedVersions = append(m.supportedVersions, uint16(rand.Intn(0xffff)+1))
	}
	if rand.Intn(10) > 5 {
		m.cookie = randomBytes(rand.Intn(500)+1, rand)
	}
	for i := 0; i < rand.Intn(5); i++ {
		var ks keyShare
		ks.group = CurveID(rand.Intn(30000) + 1)

	}
	*d = digest(byteorder.BeUint32(b[len(magic):]))
	return nil
}

// Add p to the running checksum d.
func update(d digest, p []byte) digest {
	s1, s2 := uint32(d&0xffff), uint32(d>>16)
	for len(p) > 0 {
		var q []byte
		if len(p) > nmax {
			p, q = p[:nmax], p[nmax:]
		}
		for len(p) >= 4 {
			s1 += uint32(p[0])
			s2 += s1
			s1 += uint32(p[1])
			s2 += s1

	JEQ	allsame
	CMPL	BP, $4
	JB	small
#ifdef GO386_softfloat
	JMP	mediumloop
#endif
largeloop:
	CMPL	BP, $16
	JB	mediumloop
	MOVOU	(SI), X0
	MOVOU	(DI), X1
	PCMPEQB X0, X1
	PMOVMSKB X1, BX
	XORL	$0xffff, BX	// convert EQ to NE
	JNE	diff16	// branch if at least one byte is not equal
	ADDL	$16, SI
	ADDL	$16, DI
	SUBL	$16, BP
	JMP	largeloop

diff16:
	BSFL	BX, BX	// index of first byte that differs
	XORL	DX, DX

		// Try converting MOVD $const,Rx into ADDIS/ORIS $s32>>16,R0,Rx
		switch {
		case isS32 && p.From.Offset&0xFFFF == 0 && p.From.Offset != 0:
			p.As = AADDIS
			p.From.Offset >>= 16
			p.Reg = REG_R0

		case isU32 && p.From.Offset&0xFFFF == 0 && p.From.Offset != 0:
			p.As = AORIS
			p.From.Offset >>= 16
			p.Reg = REG_R0

		case isS32 || isU32 || isS34:

            bufferIndex += 16;
            e.versionMajor = buffer[ bufferIndex++ ] & 0xFF;
            e.versionMinor = buffer[ bufferIndex++ ] & 0xFF;
            e.type = SMBUtil.readInt4(buffer, bufferIndex);
            bufferIndex += 4;
            int off = SMBUtil.readInt4(buffer, bufferIndex);
            bufferIndex += 4;
            off = ( off & 0xFFFF ) - this.converter;
            off = start + off;