const (
	O_DIRECTORY    = 0x100000   // target must be a directory
	O_NOFOLLOW_ANY = 0x20000000 // disallow symlinks anywhere in the path
	O_OPEN_REPARSE = 0x40000000 // FILE_OPEN_REPARSE_POINT, used by Lstat
)

const (
	SIO_TCP_INITIAL_RTO                    = syscall.IOC_IN | syscall.IOC_VENDOR | 17
	TCP_INITIAL_RTO_UNSPECIFIED_RTT        = ^uint16(0)
	TCP_INITIAL_RTO_NO_SYN_RETRANSMISSIONS = ^uint8(1)
)

const (
	FSCTL_SET_REPARSE_POINT    = 0x000900A4
	IO_REPARSE_TAG_MOUNT_POINT = 0xA0000003
	IO_REPARSE_TAG_DEDUP       = 0x80000013
	IO_REPARSE_TAG_AF_UNIX     = 0x80000023

	SYMLINK_FLAG_RELATIVE = 1
)

const (
	SecurityAnonymous      = 0
	SecurityIdentification = 1
	SecurityImpersonation  = 2
	SecurityDelegation     = 3
)

const (
	TOKEN_ADJUST_PRIVILEGES = 0x0020
	SE_PRIVILEGE_ENABLED    = 0x00000002
)

const (
	LG_INCLUDE_INDIRECT  = 0x1
	MAX_PREFERRED_LENGTH = 0xFFFFFFFF
)

const (
	NERR_UserNotFound syscall.Errno = 2221
	NERR_UserExists   syscall.Errno = 2224
)

const (
	SID_REVISION = 1
	// https://learn.microsoft.com/en-us/windows/win32/services/localsystem-account
	SECURITY_LOCAL_SYSTEM_RID = 18
	// https://learn.microsoft.com/en-us/windows/win32/services/localservice-account
	SECURITY_LOCAL_SERVICE_RID = 19
	// https://learn.microsoft.com/en-us/windows/win32/services/networkservice-account
	SECURITY_NETWORK_SERVICE_RID = 20
)

const (
	ERROR_INVALID_PARAMETER syscall.Errno = 87

	FILE_SUPPORTS_OBJECT_IDS      = 0x00010000
	FILE_SUPPORTS_OPEN_BY_FILE_ID = 0x01000000

	// symlink support for CreateSymbolicLink() starting with Windows 10 (1703, v10.0.14972)
	SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE = 0x2

	// FileInformationClass values
	FileBasicInfo                  = 0    // FILE_BASIC_INFO
	FileStandardInfo               = 1    // FILE_STANDARD_INFO
	FileNameInfo                   = 2    // FILE_NAME_INFO
	FileStreamInfo                 = 7    // FILE_STREAM_INFO
	FileCompressionInfo            = 8    // FILE_COMPRESSION_INFO
	FileAttributeTagInfo           = 9    // FILE_ATTRIBUTE_TAG_INFO
	FileIdBothDirectoryInfo        = 0xa  // FILE_ID_BOTH_DIR_INFO
	FileIdBothDirectoryRestartInfo = 0xb  // FILE_ID_BOTH_DIR_INFO
	FileRemoteProtocolInfo         = 0xd  // FILE_REMOTE_PROTOCOL_INFO
	FileFullDirectoryInfo          = 0xe  // FILE_FULL_DIR_INFO
	FileFullDirectoryRestartInfo   = 0xf  // FILE_FULL_DIR_INFO
	FileStorageInfo                = 0x10 // FILE_STORAGE_INFO
	FileAlignmentInfo              = 0x11 // FILE_ALIGNMENT_INFO
	FileIdInfo                     = 0x12 // FILE_ID_INFO
	FileIdExtdDirectoryInfo        = 0x13 // FILE_ID_EXTD_DIR_INFO
	FileIdExtdDirectoryRestartInfo = 0x14 // FILE_ID_EXTD_DIR_INFO
)

const (
	ERROR_BAD_LENGTH             syscall.Errno = 24
	ERROR_SHARING_VIOLATION      syscall.Errno = 32
	ERROR_LOCK_VIOLATION         syscall.Errno = 33
	ERROR_NOT_SUPPORTED          syscall.Errno = 50
	ERROR_CALL_NOT_IMPLEMENTED   syscall.Errno = 120
	ERROR_INVALID_NAME           syscall.Errno = 123
	ERROR_LOCK_FAILED            syscall.Errno = 167
	ERROR_NO_TOKEN               syscall.Errno = 1008
	ERROR_NO_UNICODE_TRANSLATION syscall.Errno = 1113
	ERROR_CANT_ACCESS_FILE       syscall.Errno = 1920
)

const (
	GAA_FLAG_INCLUDE_PREFIX   = 0x00000010
	GAA_FLAG_INCLUDE_GATEWAYS = 0x0080
)

const (
	IF_TYPE_OTHER              = 1
	IF_TYPE_ETHERNET_CSMACD    = 6
	IF_TYPE_ISO88025_TOKENRING = 9
	IF_TYPE_PPP                = 23
	IF_TYPE_SOFTWARE_LOOPBACK  = 24
	IF_TYPE_ATM                = 37
	IF_TYPE_IEEE80211          = 71
	IF_TYPE_TUNNEL             = 131
	IF_TYPE_IEEE1394           = 144
)

const (
	IfOperStatusUp             = 1
	IfOperStatusDown           = 2
	IfOperStatusTesting        = 3
	IfOperStatusUnknown        = 4
	IfOperStatusDormant        = 5
	IfOperStatusNotPresent     = 6
	IfOperStatusLowerLayerDown = 7
)

const (
	// flags for CreateToolhelp32Snapshot
	TH32CS_SNAPMODULE   = 0x08
	TH32CS_SNAPMODULE32 = 0x10
)

const (
	WSA_FLAG_OVERLAPPED        = 0x01
	WSA_FLAG_NO_HANDLE_INHERIT = 0x80

	WSAEINVAL       syscall.Errno = 10022
	WSAEMSGSIZE     syscall.Errno = 10040
	WSAEAFNOSUPPORT syscall.Errno = 10047

	MSG_PEEK   = 0x2
	MSG_TRUNC  = 0x0100
	MSG_CTRUNC = 0x0200
)

const (
	ComputerNameNetBIOS                   = 0
	ComputerNameDnsHostname               = 1
	ComputerNameDnsDomain                 = 2
	ComputerNameDnsFullyQualified         = 3
	ComputerNamePhysicalNetBIOS           = 4
	ComputerNamePhysicalDnsHostname       = 5
	ComputerNamePhysicalDnsDomain         = 6
	ComputerNamePhysicalDnsFullyQualified = 7
	ComputerNameMax                       = 8

	MOVEFILE_REPLACE_EXISTING      = 0x1
	MOVEFILE_COPY_ALLOWED          = 0x2
	MOVEFILE_DELAY_UNTIL_REBOOT    = 0x4
	MOVEFILE_WRITE_THROUGH         = 0x8
	MOVEFILE_CREATE_HARDLINK       = 0x10
	MOVEFILE_FAIL_IF_NOT_TRACKABLE = 0x20
)

const (
	LOCKFILE_FAIL_IMMEDIATELY = 0x00000001
	LOCKFILE_EXCLUSIVE_LOCK   = 0x00000002
)

const (
	STYPE_DISKTREE  = 0x00
	STYPE_TEMPORARY = 0x40000000
)

const (
	FILE_NAME_NORMALIZED = 0x0
	FILE_NAME_OPENED     = 0x8

	VOLUME_NAME_DOS  = 0x0
	VOLUME_NAME_GUID = 0x1
	VOLUME_NAME_NONE = 0x4
	VOLUME_NAME_NT   = 0x2
)

const (
	SERVICE_RUNNING      = 4
	SERVICE_QUERY_STATUS = 4
)

const (
	TCP_KEEPIDLE  = 0x03
	TCP_KEEPCNT   = 0x10
	TCP_KEEPINTVL = 0x11
)

const (
	FILE_READ_DATA        = 0x00000001
	FILE_READ_ATTRIBUTES  = 0x00000080
	FILE_READ_EA          = 0x00000008
	FILE_WRITE_DATA       = 0x00000002
	FILE_WRITE_ATTRIBUTES = 0x00000100
	FILE_WRITE_EA         = 0x00000010
	FILE_APPEND_DATA      = 0x00000004
	FILE_EXECUTE          = 0x00000020

	FILE_GENERIC_READ    = STANDARD_RIGHTS_READ | FILE_READ_DATA | FILE_READ_ATTRIBUTES | FILE_READ_EA | SYNCHRONIZE
	FILE_GENERIC_WRITE   = STANDARD_RIGHTS_WRITE | FILE_WRITE_DATA | FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA | FILE_APPEND_DATA | SYNCHRONIZE
	FILE_GENERIC_EXECUTE = STANDARD_RIGHTS_EXECUTE | FILE_READ_ATTRIBUTES | FILE_EXECUTE | SYNCHRONIZE

	FILE_LIST_DIRECTORY = 0x00000001
	FILE_TRAVERSE       = 0x00000020

	FILE_SHARE_READ                      = 0x00000001
	FILE_SHARE_WRITE                     = 0x00000002
	FILE_SHARE_DELETE                    = 0x00000004
	FILE_ATTRIBUTE_READONLY              = 0x00000001
	FILE_ATTRIBUTE_HIDDEN                = 0x00000002
	FILE_ATTRIBUTE_SYSTEM                = 0x00000004
	FILE_ATTRIBUTE_DIRECTORY             = 0x00000010
	FILE_ATTRIBUTE_ARCHIVE               = 0x00000020
	FILE_ATTRIBUTE_DEVICE                = 0x00000040
	FILE_ATTRIBUTE_NORMAL                = 0x00000080
	FILE_ATTRIBUTE_TEMPORARY             = 0x00000100
	FILE_ATTRIBUTE_SPARSE_FILE           = 0x00000200
	FILE_ATTRIBUTE_REPARSE_POINT         = 0x00000400
	FILE_ATTRIBUTE_COMPRESSED            = 0x00000800
	FILE_ATTRIBUTE_OFFLINE               = 0x00001000
	FILE_ATTRIBUTE_NOT_CONTENT_INDEXED   = 0x00002000
	FILE_ATTRIBUTE_ENCRYPTED             = 0x00004000
	FILE_ATTRIBUTE_INTEGRITY_STREAM      = 0x00008000
	FILE_ATTRIBUTE_VIRTUAL               = 0x00010000
	FILE_ATTRIBUTE_NO_SCRUB_DATA         = 0x00020000
	FILE_ATTRIBUTE_RECALL_ON_OPEN        = 0x00040000
	FILE_ATTRIBUTE_RECALL_ON_DATA_ACCESS = 0x00400000

	INVALID_FILE_ATTRIBUTES = 0xffffffff
)

const (
	DELETE                   = 0x00010000
	READ_CONTROL             = 0x00020000
	WRITE_DAC                = 0x00040000
	WRITE_OWNER              = 0x00080000
	SYNCHRONIZE              = 0x00100000
	STANDARD_RIGHTS_REQUIRED = 0x000F0000
	STANDARD_RIGHTS_READ     = READ_CONTROL
	STANDARD_RIGHTS_WRITE    = READ_CONTROL
	STANDARD_RIGHTS_EXECUTE  = READ_CONTROL
	STANDARD_RIGHTS_ALL      = 0x001F0000
	SPECIFIC_RIGHTS_ALL      = 0x0000FFFF
	ACCESS_SYSTEM_SECURITY   = 0x01000000
	MAXIMUM_ALLOWED          = 0x02000000
	GENERIC_READ             = 0x80000000
	GENERIC_WRITE            = 0x40000000
	GENERIC_EXECUTE          = 0x20000000
	GENERIC_ALL              = 0x10000000
)

const (
	OBJ_INHERIT                       = 0x00000002
	OBJ_PERMANENT                     = 0x00000010
	OBJ_EXCLUSIVE                     = 0x00000020
	OBJ_CASE_INSENSITIVE              = 0x00000040
	OBJ_OPENIF                        = 0x00000080
	OBJ_OPENLINK                      = 0x00000100
	OBJ_KERNEL_HANDLE                 = 0x00000200
	OBJ_FORCE_ACCESS_CHECK            = 0x00000400
	OBJ_IGNORE_IMPERSONATED_DEVICEMAP = 0x00000800
	OBJ_DONT_REPARSE                  = 0x00001000
	OBJ_VALID_ATTRIBUTES              = 0x00001FF2
)

const (
	// CreateDisposition flags for NtCreateFile and NtCreateNamedPipeFile.
	FILE_SUPERSEDE           = 0x00000000
	FILE_OPEN                = 0x00000001
	FILE_CREATE              = 0x00000002
	FILE_OPEN_IF             = 0x00000003
	FILE_OVERWRITE           = 0x00000004
	FILE_OVERWRITE_IF        = 0x00000005
	FILE_MAXIMUM_DISPOSITION = 0x00000005

	// CreateOptions flags for NtCreateFile and NtCreateNamedPipeFile.
	FILE_DIRECTORY_FILE            = 0x00000001
	FILE_WRITE_THROUGH             = 0x00000002
	FILE_SEQUENTIAL_ONLY           = 0x00000004
	FILE_NO_INTERMEDIATE_BUFFERING = 0x00000008
	FILE_SYNCHRONOUS_IO_ALERT      = 0x00000010
	FILE_SYNCHRONOUS_IO_NONALERT   = 0x00000020
	FILE_NON_DIRECTORY_FILE        = 0x00000040
	FILE_CREATE_TREE_CONNECTION    = 0x00000080
	FILE_COMPLETE_IF_OPLOCKED      = 0x00000100
	FILE_NO_EA_KNOWLEDGE           = 0x00000200
	FILE_OPEN_REMOTE_INSTANCE      = 0x00000400
	FILE_RANDOM_ACCESS             = 0x00000800
	FILE_DELETE_ON_CLOSE           = 0x00001000
	FILE_OPEN_BY_FILE_ID           = 0x00002000
	FILE_OPEN_FOR_BACKUP_INTENT    = 0x00004000
	FILE_NO_COMPRESSION            = 0x00008000
	FILE_OPEN_REQUIRING_OPLOCK     = 0x00010000
	FILE_DISALLOW_EXCLUSIVE        = 0x00020000
	FILE_RESERVE_OPFILTER          = 0x00100000
	FILE_OPEN_REPARSE_POINT        = 0x00200000
	FILE_OPEN_NO_RECALL            = 0x00400000
	FILE_OPEN_FOR_FREE_SPACE_QUERY = 0x00800000
)

const (
	FILE_DISPOSITION_DO_NOT_DELETE             = 0x00000000
	FILE_DISPOSITION_DELETE                    = 0x00000001
	FILE_DISPOSITION_POSIX_SEMANTICS           = 0x00000002
	FILE_DISPOSITION_FORCE_IMAGE_SECTION_CHECK = 0x00000004
	FILE_DISPOSITION_ON_CLOSE                  = 0x00000008
	FILE_DISPOSITION_IGNORE_READONLY_ATTRIBUTE = 0x00000010
)

const MAX_MODULE_NAME32 = 255

const MB_ERR_INVALID_CHARS = 8

const SE_GROUP_INTEGRITY = 0x00000020

const SizeofModuleEntry32 = unsafe.Sizeof(ModuleEntry32{})

const (
	USER_PRIV_USER = 1
)

var CanUseLongPaths bool

var SECURITY_NT_AUTHORITY = SID_IDENTIFIER_AUTHORITY{
	Value: [6]byte{0, 0, 0, 0, 0, 5},
}

var SupportTCPInitialRTONoSYNRetransmissions = sync.OnceValue(func() bool {
	major, _, build := Version()
	return major >= 10 && build >= 16299
})

var SupportUnixSocket = sync.OnceValue(func() bool {
	var size uint32

	_, _ = syscall.WSAEnumProtocols(nil, nil, &size)
	n := int32(size) / int32(unsafe.Sizeof(syscall.WSAProtocolInfo{}))

	buf := make([]syscall.WSAProtocolInfo, n)
	n, err := syscall.WSAEnumProtocols(nil, &buf[0], &size)
	if err != nil {
		return false
	}
	for i := int32(0); i < n; i++ {
		if buf[i].AddressFamily == syscall.AF_UNIX {
			return true
		}
	}
	return false
})

var WSAID_WSARECVMSG = syscall.GUID{
	Data1: 0xf689d7c8,
	Data2: 0x6f1f,
	Data3: 0x436b,
	Data4: [8]byte{0x8a, 0x53, 0xe5, 0x4f, 0xe3, 0x51, 0xc3, 0x22},
}

var WSAID_WSASENDMSG = syscall.GUID{
	Data1: 0xa441e712,
	Data2: 0x754f,
	Data3: 0x43ca,
	Data4: [8]byte{0x84, 0xa7, 0x0d, 0xee, 0x44, 0xcf, 0x60, 0x6d},
}

type ACCESS_MASK uint32

type ACL struct {
	AclRevision byte
	Sbz1        byte
	AclSize     uint16
	AceCount    uint16
	Sbz2        uint16
}

type FILE_ATTRIBUTE_TAG_INFO struct {
	FileAttributes uint32
	ReparseTag     uint32
}

type FILE_BASIC_INFO struct {
	CreationTime   int64
	LastAccessTime int64
	LastWriteTime  int64
	ChangedTime    int64
	FileAttributes uint32
	// contains filtered or unexported fields
}

type FILE_DISPOSITION_INFORMATION struct {
	DeleteFile bool
}

type FILE_DISPOSITION_INFORMATION_EX struct {
	Flags uint32
}

type FILE_FULL_DIR_INFO struct {
	NextEntryOffset uint32
	FileIndex       uint32
	CreationTime    syscall.Filetime
	LastAccessTime  syscall.Filetime
	LastWriteTime   syscall.Filetime
	ChangeTime      syscall.Filetime
	EndOfFile       uint64
	AllocationSize  uint64
	FileAttributes  uint32
	FileNameLength  uint32
	EaSize          uint32
	FileName        [1]uint16
}

type FILE_ID_BOTH_DIR_INFO struct {
	NextEntryOffset uint32
	FileIndex       uint32
	CreationTime    syscall.Filetime
	LastAccessTime  syscall.Filetime
	LastWriteTime   syscall.Filetime
	ChangeTime      syscall.Filetime
	EndOfFile       uint64
	AllocationSize  uint64
	FileAttributes  uint32
	FileNameLength  uint32
	EaSize          uint32
	ShortNameLength uint32
	ShortName       [12]uint16
	FileID          uint64
	FileName        [1]uint16
}

type IO_STATUS_BLOCK struct {
	Status      NTStatus
	Information uintptr
}

type IpAdapterAddresses struct {
	Length                 uint32
	IfIndex                uint32
	Next                   *IpAdapterAddresses
	AdapterName            *byte
	FirstUnicastAddress    *IpAdapterUnicastAddress
	FirstAnycastAddress    *IpAdapterAnycastAddress
	FirstMulticastAddress  *IpAdapterMulticastAddress
	FirstDnsServerAddress  *IpAdapterDnsServerAdapter
	DnsSuffix              *uint16
	Description            *uint16
	FriendlyName           *uint16
	PhysicalAddress        [syscall.MAX_ADAPTER_ADDRESS_LENGTH]byte
	PhysicalAddressLength  uint32
	Flags                  uint32
	Mtu                    uint32
	IfType                 uint32
	OperStatus             uint32
	Ipv6IfIndex            uint32
	ZoneIndices            [16]uint32
	FirstPrefix            *IpAdapterPrefix
	TransmitLinkSpeed      uint64
	ReceiveLinkSpeed       uint64
	FirstWinsServerAddress *IpAdapterWinsServerAddress
	FirstGatewayAddress    *IpAdapterGatewayAddress
}

type IpAdapterAnycastAddress struct {
	Length  uint32
	Flags   uint32
	Next    *IpAdapterAnycastAddress
	Address SocketAddress
}

type IpAdapterDnsServerAdapter struct {
	Length   uint32
	Reserved uint32
	Next     *IpAdapterDnsServerAdapter
	Address  SocketAddress
}

type IpAdapterGatewayAddress struct {
	Length   uint32
	Reserved uint32
	Next     *IpAdapterGatewayAddress
	Address  SocketAddress
}

type IpAdapterMulticastAddress struct {
	Length  uint32
	Flags   uint32
	Next    *IpAdapterMulticastAddress
	Address SocketAddress
}

type IpAdapterPrefix struct {
	Length       uint32
	Flags        uint32
	Next         *IpAdapterPrefix
	Address      SocketAddress
	PrefixLength uint32
}

type IpAdapterUnicastAddress struct {
	Length             uint32
	Flags              uint32
	Next               *IpAdapterUnicastAddress
	Address            SocketAddress
	PrefixOrigin       int32
	SuffixOrigin       int32
	DadState           int32
	ValidLifetime      uint32
	PreferredLifetime  uint32
	LeaseLifetime      uint32
	OnLinkPrefixLength uint8
}

type IpAdapterWinsServerAddress struct {
	Length   uint32
	Reserved uint32
	Next     *IpAdapterWinsServerAddress
	Address  SocketAddress
}

type LUID struct {
	LowPart  uint32
	HighPart int32
}

type LUID_AND_ATTRIBUTES struct {
	Luid       LUID
	Attributes uint32
}

type LocalGroupUserInfo0 struct {
	Name *uint16
}

type MemoryBasicInformation struct {
	// A pointer to the base address of the region of pages.
	BaseAddress uintptr
	// A pointer to the base address of a range of pages allocated by the VirtualAlloc function.
	// The page pointed to by the BaseAddress member is contained within this allocation range.
	AllocationBase uintptr
	// The memory protection option when the region was initially allocated
	AllocationProtect uint32
	PartitionId       uint16
	// The size of the region beginning at the base address in which all pages have identical attributes, in bytes.
	RegionSize uintptr
	// The state of the pages in the region.
	State uint32
	// The access protection of the pages in the region.
	Protect uint32
	// The type of pages in the region.
	Type uint32
}

type ModuleEntry32 struct {
	Size         uint32
	ModuleID     uint32
	ProcessID    uint32
	GlblcntUsage uint32
	ProccntUsage uint32
	ModBaseAddr  uintptr
	ModBaseSize  uint32
	ModuleHandle syscall.Handle
	Module       [MAX_MODULE_NAME32 + 1]uint16
	ExePath      [syscall.MAX_PATH]uint16
}

type MountPointReparseBuffer struct {
	// The integer that contains the offset, in bytes,
	// of the substitute name string in the PathBuffer array,
	// computed as an offset from byte 0 of PathBuffer. Note that
	// this offset must be divided by 2 to get the array index.
	SubstituteNameOffset uint16
	// The integer that contains the length, in bytes, of the
	// substitute name string. If this string is null-terminated,
	// SubstituteNameLength does not include the Unicode null character.
	SubstituteNameLength uint16
	// PrintNameOffset is similar to SubstituteNameOffset.
	PrintNameOffset uint16
	// PrintNameLength is similar to SubstituteNameLength.
	PrintNameLength uint16
	PathBuffer      [1]uint16
}

type NTStatus uint32

const (
	STATUS_FILE_IS_A_DIRECTORY       NTStatus = 0xC00000BA
	STATUS_DIRECTORY_NOT_EMPTY       NTStatus = 0xC0000101
	STATUS_NOT_A_DIRECTORY           NTStatus = 0xC0000103
	STATUS_CANNOT_DELETE             NTStatus = 0xC0000121
	STATUS_REPARSE_POINT_ENCOUNTERED NTStatus = 0xC000050B
)

type NTUnicodeString struct {
	Length        uint16
	MaximumLength uint16
	Buffer        *uint16
}

type OBJECT_ATTRIBUTES struct {
	Length             uint32
	RootDirectory      syscall.Handle
	ObjectName         *NTUnicodeString
	Attributes         uint32
	SecurityDescriptor *SECURITY_DESCRIPTOR
	SecurityQoS        *SECURITY_QUALITY_OF_SERVICE
}

type PROCESS_MEMORY_COUNTERS struct {
	CB                         uint32
	PageFaultCount             uint32
	PeakWorkingSetSize         uintptr
	WorkingSetSize             uintptr
	QuotaPeakPagedPoolUsage    uintptr
	QuotaPagedPoolUsage        uintptr
	QuotaPeakNonPagedPoolUsage uintptr
	QuotaNonPagedPoolUsage     uintptr
	PagefileUsage              uintptr
	PeakPagefileUsage          uintptr
}

type REPARSE_DATA_BUFFER struct {
	ReparseTag        uint32
	ReparseDataLength uint16
	Reserved          uint16
	DUMMYUNIONNAME    byte
}

type REPARSE_DATA_BUFFER_HEADER struct {
	ReparseTag uint32
	// The size, in bytes, of the reparse data that follows
	// the common portion of the REPARSE_DATA_BUFFER element.
	// This value is the length of the data starting at the
	// SubstituteNameOffset field.
	ReparseDataLength uint16
	Reserved          uint16
}

type SECURITY_DESCRIPTOR struct {
	// contains filtered or unexported fields
}

type SECURITY_DESCRIPTOR_CONTROL uint16

type SECURITY_QUALITY_OF_SERVICE struct {
	Length              uint32
	ImpersonationLevel  uint32 // type SECURITY_IMPERSONATION_LEVEL
	ContextTrackingMode byte   // type SECURITY_CONTEXT_TRACKING_MODE
	EffectiveOnly       byte
}

type SERVICE_STATUS struct {
	ServiceType             uint32
	CurrentState            uint32
	ControlsAccepted        uint32
	Win32ExitCode           uint32
	ServiceSpecificExitCode uint32
	CheckPoint              uint32
	WaitHint                uint32
}

type SHARE_INFO_2 struct {
	Netname     *uint16
	Type        uint32
	Remark      *uint16
	Permissions uint32
	MaxUses     uint32
	CurrentUses uint32
	Path        *uint16
	Passwd      *uint16
}

type SID_AND_ATTRIBUTES struct {
	Sid        *syscall.SID
	Attributes uint32
}

type SID_IDENTIFIER_AUTHORITY struct {
	Value [6]byte
}

type SecurityAttributes struct {
	Length             uint16
	SecurityDescriptor uintptr
	InheritHandle      bool
}

type SocketAddress struct {
	Sockaddr       *syscall.RawSockaddrAny
	SockaddrLength int32
}

type SymbolicLinkReparseBuffer struct {
	// The integer that contains the offset, in bytes,
	// of the substitute name string in the PathBuffer array,
	// computed as an offset from byte 0 of PathBuffer. Note that
	// this offset must be divided by 2 to get the array index.
	SubstituteNameOffset uint16
	// The integer that contains the length, in bytes, of the
	// substitute name string. If this string is null-terminated,
	// SubstituteNameLength does not include the Unicode null character.
	SubstituteNameLength uint16
	// PrintNameOffset is similar to SubstituteNameOffset.
	PrintNameOffset uint16
	// PrintNameLength is similar to SubstituteNameLength.
	PrintNameLength uint16
	// Flags specifies whether the substitute name is a full path name or
	// a path name relative to the directory containing the symbolic link.
	Flags      uint32
	PathBuffer [1]uint16
}

type TCP_INITIAL_RTO_PARAMETERS struct {
	Rtt                   uint16
	MaxSynRetransmissions uint8
}

type TOKEN_GROUPS struct {
	GroupCount uint32
	Groups     [1]SID_AND_ATTRIBUTES
}

type TOKEN_MANDATORY_LABEL struct {
	Label SID_AND_ATTRIBUTES
}

type TOKEN_PRIVILEGES struct {
	PrivilegeCount uint32
	Privileges     [1]LUID_AND_ATTRIBUTES
}

type TokenType uint32

const (
	TokenPrimary       TokenType = 1
	TokenImpersonation TokenType = 2
)

type UserInfo1 struct {
	Name        *uint16
	Password    *uint16
	PasswordAge uint32
	Priv        uint32
	HomeDir     *uint16
	Comment     *uint16
	Flags       uint32
	ScriptPath  *uint16
}

type UserInfo4 struct {
	Name            *uint16
	Password        *uint16
	PasswordAge     uint32
	Priv            uint32
	HomeDir         *uint16
	Comment         *uint16
	Flags           uint32
	ScriptPath      *uint16
	AuthFlags       uint32
	FullName        *uint16
	UsrComment      *uint16
	Parms           *uint16
	Workstations    *uint16
	LastLogon       uint32
	LastLogoff      uint32
	AcctExpires     uint32
	MaxStorage      uint32
	UnitsPerWeek    uint32
	LogonHours      *byte
	BadPwCount      uint32
	NumLogons       uint32
	LogonServer     *uint16
	CountryCode     uint32
	CodePage        uint32
	UserSid         *syscall.SID
	PrimaryGroupID  uint32
	Profile         *uint16
	HomeDirDrive    *uint16
	PasswordExpired uint32
}

type WSAMsg struct {
	Name        syscall.Pointer
	Namelen     int32
	Buffers     *syscall.WSABuf
	BufferCount uint32
	Control     syscall.WSABuf
	Flags       uint32
}