EALREADY        = Errno(0x95)
	EBADE           = Errno(0x32)
	EBADF           = Errno(0x9)
	EBADFD          = Errno(0x51)
	EBADMSG         = Errno(0x4d)
	EBADR           = Errno(0x33)
	EBADRQC         = Errno(0x36)
	EBADSLT         = Errno(0x37)
	EBFONT          = Errno(0x39)
	EBUSY           = Errno(0x10)
	ECANCELED       = Errno(0x2f)
	ECHILD          = Errno(0xa)
	ECHRNG          = Errno(0x25)

	0x40, 0x1f, 0x4c, 0xb1, 0x00, 0x07, 0x1d, 0x26, 0x53, 0xeb, 0xde, 0xa9, 0xb0, 0x09, 0x44, 0x63,
	0x5e, 0xf2, 0x4d, 0x85, 0x6b, 0x24, 0x99, 0xb4, 0x3f, 0x14, 0xb0, 0x3c, 0xd4, 0xd6, 0xa0, 0x8e,
	0xc5, 0xf3, 0xe1, 0xdf, 0x0f, 0xf3, 0x27, 0x99, 0x30, 0x6f, 0x9d, 0x86, 0xe3, 0xf2, 0xf0, 0xc3,
	0xa2, 0xad, 0xfd, 0xae, 0x80, 0x8b, 0x27, 0x19, 0x3f, 0xa0, 0x2c, 0x80, 0x1f, 0xf6, 0x79, 0xaf,

	EIPSEC          = Errno(0x52)
	EISCONN         = Errno(0x38)
	EISDIR          = Errno(0x15)
	ELAST           = Errno(0x5f)
	ELOOP           = Errno(0x3e)
	EMEDIUMTYPE     = Errno(0x56)
	EMFILE          = Errno(0x18)
	EMLINK          = Errno(0x1f)
	EMSGSIZE        = Errno(0x28)
	ENAMETOOLONG    = Errno(0x3f)
	ENEEDAUTH       = Errno(0x51)
	ENETDOWN        = Errno(0x32)
	ENETRESET       = Errno(0x34)

	0xd8, 0x89, 0x43, 0xfe, 0xb4, 0xa9, 0x7a, 0xf3, 0xbc, 0xf7, 0xfb, 0xf3, 0xde, 0xcc, 0xcb, 0x0b,
	0xfa, 0xe5, 0xe6, 0xef, 0xd0, 0x70, 0xb9, 0xc9, 0x02, 0xd7, 0x84, 0x2e, 0xf8, 0x32, 0x34, 0xbb,
	0x7b, 0xa6, 0x03, 0x3e, 0x08, 0x26, 0xa1, 0x65, 0x04, 0x82, 0x4b, 0x8e, 0x37, 0x13, 0x94, 0xc1,
	0x02, 0xd7, 0x48, 0x50, 0x46, 0x77, 0x6f, 0xfb, 0x77, 0xc7, 0x95, 0xd7, 0x9d, 0xa6, 0x61, 0x73,

0x61, 0x6e, 0x6e, 0x65, 0x64, 0x3e, 0x31, 0x31, 0x32, 0x3c, 0x2f, 0x42, 0x79, 0x74, 0x65, 0x73, 0x53, 0x63, 0x61, 0x6e, 0x6e, 0x65, 0x64, 0x3e, 0x3c, 0x42, 0x79, 0x74, 0x65, 0x73, 0x50, 0x72, 0x6f, 0x63, 0x65, 0x73, 0x73, 0x65, 0x64, 0x3e, 0x31, 0x31, 0x32, 0x3c, 0x2f, 0x42, 0x79, 0x74, 0x65, 0x73, 0x50, 0x72, 0x6f, 0x63, 0x65, 0x73, 0x73, 0x65, 0x64, 0x3e, 0x3c, 0x42, 0x79, 0x74, 0x65, 0x73, 0x52, 0x65, 0x74, 0x75, 0x72, 0x6e, 0x65, 0x64, 0x3e, 0x33, 0x36, 0x3c, 0x2f, 0x42, 0x79, 0x74, 0x65, 0x73,...

	0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
	0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
	0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
	0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,

	EISCONN         = syscall.Errno(0x38)
	EISDIR          = syscall.Errno(0x15)
	ELAST           = syscall.Errno(0x5f)
	ELOOP           = syscall.Errno(0x3e)
	EMEDIUMTYPE     = syscall.Errno(0x56)
	EMFILE          = syscall.Errno(0x18)
	EMLINK          = syscall.Errno(0x1f)
	EMSGSIZE        = syscall.Errno(0x28)
	ENAMETOOLONG    = syscall.Errno(0x3f)
	ENEEDAUTH       = syscall.Errno(0x51)

	EISCONN         = syscall.Errno(0x38)
	EISDIR          = syscall.Errno(0x15)
	ELAST           = syscall.Errno(0x5f)
	ELOOP           = syscall.Errno(0x3e)
	EMEDIUMTYPE     = syscall.Errno(0x56)
	EMFILE          = syscall.Errno(0x18)
	EMLINK          = syscall.Errno(0x1f)
	EMSGSIZE        = syscall.Errno(0x28)
	ENAMETOOLONG    = syscall.Errno(0x3f)
	ENEEDAUTH       = syscall.Errno(0x51)

		{nbits: 32, value: 0x12345678},
		{nbits: 15, value: 14495},
		{nbits: 3, value: 6},
		{nbits: 6, value: 13},
		{nbits: 1, fail: true},
	}

	rd := bytes.NewReader([]byte{0xab, 0x12, 0x34, 0x56, 0x78, 0x71, 0x3f, 0x8d})
	br := newBitReader(rd)
	for i, v := range vectors {
		val := br.ReadBits(v.nbits)
		if fail := bool(br.err != nil); fail != v.fail {
			if fail {

	IP_NAT__XXX                             = 0x37
	IP_OFFMASK                              = 0x1fff
	IP_OLD_FW_ADD                           = 0x32
	IP_OLD_FW_DEL                           = 0x33
	IP_OLD_FW_FLUSH                         = 0x34
	IP_OLD_FW_GET                           = 0x36
	IP_OLD_FW_RESETLOG                      = 0x38
	IP_OLD_FW_ZERO                          = 0x35
	IP_OPTIONS                              = 0x1