vendor/golang.org/x/sys/windows/types_windows.go

   1 // Copyright 2011 The Go Authors.  All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package windows
   6
   7 import "syscall"
   8
   9 const (
  10         // Windows errors.
  11         ERROR_FILE_NOT_FOUND         syscall.Errno = 2
  12         ERROR_PATH_NOT_FOUND         syscall.Errno = 3
  13         ERROR_ACCESS_DENIED          syscall.Errno = 5
  14         ERROR_NO_MORE_FILES          syscall.Errno = 18
  15         ERROR_HANDLE_EOF             syscall.Errno = 38
  16         ERROR_NETNAME_DELETED        syscall.Errno = 64
  17         ERROR_FILE_EXISTS            syscall.Errno = 80
  18         ERROR_BROKEN_PIPE            syscall.Errno = 109
  19         ERROR_BUFFER_OVERFLOW        syscall.Errno = 111
  20         ERROR_INSUFFICIENT_BUFFER    syscall.Errno = 122
  21         ERROR_MOD_NOT_FOUND          syscall.Errno = 126
  22         ERROR_PROC_NOT_FOUND         syscall.Errno = 127
  23         ERROR_ALREADY_EXISTS         syscall.Errno = 183
  24         ERROR_ENVVAR_NOT_FOUND       syscall.Errno = 203
  25         ERROR_MORE_DATA              syscall.Errno = 234
  26         ERROR_OPERATION_ABORTED      syscall.Errno = 995
  27         ERROR_IO_PENDING             syscall.Errno = 997
  28         ERROR_SERVICE_SPECIFIC_ERROR syscall.Errno = 1066
  29         ERROR_NOT_FOUND              syscall.Errno = 1168
  30         ERROR_PRIVILEGE_NOT_HELD     syscall.Errno = 1314
  31         WSAEACCES                    syscall.Errno = 10013
  32         WSAECONNRESET                syscall.Errno = 10054
  33 )
  34
  35 const (
  36         // Invented values to support what package os expects.
  37         O_RDONLY   = 0x00000
  38         O_WRONLY   = 0x00001
  39         O_RDWR     = 0x00002
  40         O_CREAT    = 0x00040
  41         O_EXCL     = 0x00080
  42         O_NOCTTY   = 0x00100
  43         O_TRUNC    = 0x00200
  44         O_NONBLOCK = 0x00800
  45         O_APPEND   = 0x00400
  46         O_SYNC     = 0x01000
  47         O_ASYNC    = 0x02000
  48         O_CLOEXEC  = 0x80000
  49 )
  50
  51 const (
  52         // More invented values for signals
  53         SIGHUP  = Signal(0x1)
  54         SIGINT  = Signal(0x2)
  55         SIGQUIT = Signal(0x3)
  56         SIGILL  = Signal(0x4)
  57         SIGTRAP = Signal(0x5)
  58         SIGABRT = Signal(0x6)
  59         SIGBUS  = Signal(0x7)
  60         SIGFPE  = Signal(0x8)
  61         SIGKILL = Signal(0x9)
  62         SIGSEGV = Signal(0xb)
  63         SIGPIPE = Signal(0xd)
  64         SIGALRM = Signal(0xe)
  65         SIGTERM = Signal(0xf)
  66 )
  67
  68 var signals = [...]string{
  69         1:  "hangup",
  70         2:  "interrupt",
  71         3:  "quit",
  72         4:  "illegal instruction",
  73         5:  "trace/breakpoint trap",
  74         6:  "aborted",
  75         7:  "bus error",
  76         8:  "floating point exception",
  77         9:  "killed",
  78         10: "user defined signal 1",
  79         11: "segmentation fault",
  80         12: "user defined signal 2",
  81         13: "broken pipe",
  82         14: "alarm clock",
  83         15: "terminated",
  84 }
  85
  86 const (
  87         GENERIC_READ    = 0x80000000
  88         GENERIC_WRITE   = 0x40000000
  89         GENERIC_EXECUTE = 0x20000000
  90         GENERIC_ALL     = 0x10000000
  91
  92         FILE_LIST_DIRECTORY   = 0x00000001
  93         FILE_APPEND_DATA      = 0x00000004
  94         FILE_WRITE_ATTRIBUTES = 0x00000100
  95
  96         FILE_SHARE_READ              = 0x00000001
  97         FILE_SHARE_WRITE             = 0x00000002
  98         FILE_SHARE_DELETE            = 0x00000004
  99         FILE_ATTRIBUTE_READONLY      = 0x00000001
 100         FILE_ATTRIBUTE_HIDDEN        = 0x00000002
 101         FILE_ATTRIBUTE_SYSTEM        = 0x00000004
 102         FILE_ATTRIBUTE_DIRECTORY     = 0x00000010
 103         FILE_ATTRIBUTE_ARCHIVE       = 0x00000020
 104         FILE_ATTRIBUTE_NORMAL        = 0x00000080
 105         FILE_ATTRIBUTE_REPARSE_POINT = 0x00000400
 106
 107         INVALID_FILE_ATTRIBUTES = 0xffffffff
 108
 109         CREATE_NEW        = 1
 110         CREATE_ALWAYS     = 2
 111         OPEN_EXISTING     = 3
 112         OPEN_ALWAYS       = 4
 113         TRUNCATE_EXISTING = 5
 114
 115         FILE_FLAG_OPEN_REPARSE_POINT = 0x00200000
 116         FILE_FLAG_BACKUP_SEMANTICS   = 0x02000000
 117         FILE_FLAG_OVERLAPPED         = 0x40000000
 118
 119         HANDLE_FLAG_INHERIT    = 0x00000001
 120         STARTF_USESTDHANDLES   = 0x00000100
 121         STARTF_USESHOWWINDOW   = 0x00000001
 122         DUPLICATE_CLOSE_SOURCE = 0x00000001
 123         DUPLICATE_SAME_ACCESS  = 0x00000002
 124
 125         STD_INPUT_HANDLE  = -10 & (1<<32 - 1)
 126         STD_OUTPUT_HANDLE = -11 & (1<<32 - 1)
 127         STD_ERROR_HANDLE  = -12 & (1<<32 - 1)
 128
 129         FILE_BEGIN   = 0
 130         FILE_CURRENT = 1
 131         FILE_END     = 2
 132
 133         LANG_ENGLISH       = 0x09
 134         SUBLANG_ENGLISH_US = 0x01
 135
 136         FORMAT_MESSAGE_ALLOCATE_BUFFER = 256
 137         FORMAT_MESSAGE_IGNORE_INSERTS  = 512
 138         FORMAT_MESSAGE_FROM_STRING     = 1024
 139         FORMAT_MESSAGE_FROM_HMODULE    = 2048
 140         FORMAT_MESSAGE_FROM_SYSTEM     = 4096
 141         FORMAT_MESSAGE_ARGUMENT_ARRAY  = 8192
 142         FORMAT_MESSAGE_MAX_WIDTH_MASK  = 255
 143
 144         MAX_PATH      = 260
 145         MAX_LONG_PATH = 32768
 146
 147         MAX_COMPUTERNAME_LENGTH = 15
 148
 149         TIME_ZONE_ID_UNKNOWN  = 0
 150         TIME_ZONE_ID_STANDARD = 1
 151
 152         TIME_ZONE_ID_DAYLIGHT = 2
 153         IGNORE                = 0
 154         INFINITE              = 0xffffffff
 155
 156         WAIT_TIMEOUT   = 258
 157         WAIT_ABANDONED = 0x00000080
 158         WAIT_OBJECT_0  = 0x00000000
 159         WAIT_FAILED    = 0xFFFFFFFF
 160
 161         CREATE_NEW_PROCESS_GROUP   = 0x00000200
 162         CREATE_UNICODE_ENVIRONMENT = 0x00000400
 163
 164         PROCESS_TERMINATE         = 1
 165         PROCESS_QUERY_INFORMATION = 0x00000400
 166         SYNCHRONIZE               = 0x00100000
 167
 168         FILE_MAP_COPY    = 0x01
 169         FILE_MAP_WRITE   = 0x02
 170         FILE_MAP_READ    = 0x04
 171         FILE_MAP_EXECUTE = 0x20
 172
 173         CTRL_C_EVENT     = 0
 174         CTRL_BREAK_EVENT = 1
 175
 176         // Windows reserves errors >= 1<<29 for application use.
 177         APPLICATION_ERROR = 1 << 29
 178 )
 179
 180 const (
 181         // flags for CreateToolhelp32Snapshot
 182         TH32CS_SNAPHEAPLIST = 0x01
 183         TH32CS_SNAPPROCESS  = 0x02
 184         TH32CS_SNAPTHREAD   = 0x04
 185         TH32CS_SNAPMODULE   = 0x08
 186         TH32CS_SNAPMODULE32 = 0x10
 187         TH32CS_SNAPALL      = TH32CS_SNAPHEAPLIST | TH32CS_SNAPMODULE | TH32CS_SNAPPROCESS | TH32CS_SNAPTHREAD
 188         TH32CS_INHERIT      = 0x80000000
 189 )
 190
 191 const (
 192         // filters for ReadDirectoryChangesW
 193         FILE_NOTIFY_CHANGE_FILE_NAME   = 0x001
 194         FILE_NOTIFY_CHANGE_DIR_NAME    = 0x002
 195         FILE_NOTIFY_CHANGE_ATTRIBUTES  = 0x004
 196         FILE_NOTIFY_CHANGE_SIZE        = 0x008
 197         FILE_NOTIFY_CHANGE_LAST_WRITE  = 0x010
 198         FILE_NOTIFY_CHANGE_LAST_ACCESS = 0x020
 199         FILE_NOTIFY_CHANGE_CREATION    = 0x040
 200         FILE_NOTIFY_CHANGE_SECURITY    = 0x100
 201 )
 202
 203 const (
 204         // do not reorder
 205         FILE_ACTION_ADDED = iota + 1
 206         FILE_ACTION_REMOVED
 207         FILE_ACTION_MODIFIED
 208         FILE_ACTION_RENAMED_OLD_NAME
 209         FILE_ACTION_RENAMED_NEW_NAME
 210 )
 211
 212 const (
 213         // wincrypt.h
 214         PROV_RSA_FULL                    = 1
 215         PROV_RSA_SIG                     = 2
 216         PROV_DSS                         = 3
 217         PROV_FORTEZZA                    = 4
 218         PROV_MS_EXCHANGE                 = 5
 219         PROV_SSL                         = 6
 220         PROV_RSA_SCHANNEL                = 12
 221         PROV_DSS_DH                      = 13
 222         PROV_EC_ECDSA_SIG                = 14
 223         PROV_EC_ECNRA_SIG                = 15
 224         PROV_EC_ECDSA_FULL               = 16
 225         PROV_EC_ECNRA_FULL               = 17
 226         PROV_DH_SCHANNEL                 = 18
 227         PROV_SPYRUS_LYNKS                = 20
 228         PROV_RNG                         = 21
 229         PROV_INTEL_SEC                   = 22
 230         PROV_REPLACE_OWF                 = 23
 231         PROV_RSA_AES                     = 24
 232         CRYPT_VERIFYCONTEXT              = 0xF0000000
 233         CRYPT_NEWKEYSET                  = 0x00000008
 234         CRYPT_DELETEKEYSET               = 0x00000010
 235         CRYPT_MACHINE_KEYSET             = 0x00000020
 236         CRYPT_SILENT                     = 0x00000040
 237         CRYPT_DEFAULT_CONTAINER_OPTIONAL = 0x00000080
 238
 239         USAGE_MATCH_TYPE_AND = 0
 240         USAGE_MATCH_TYPE_OR  = 1
 241
 242         X509_ASN_ENCODING   = 0x00000001
 243         PKCS_7_ASN_ENCODING = 0x00010000
 244
 245         CERT_STORE_PROV_MEMORY = 2
 246
 247         CERT_STORE_ADD_ALWAYS = 4
 248
 249         CERT_STORE_DEFER_CLOSE_UNTIL_LAST_FREE_FLAG = 0x00000004
 250
 251         CERT_TRUST_NO_ERROR                          = 0x00000000
 252         CERT_TRUST_IS_NOT_TIME_VALID                 = 0x00000001
 253         CERT_TRUST_IS_REVOKED                        = 0x00000004
 254         CERT_TRUST_IS_NOT_SIGNATURE_VALID            = 0x00000008
 255         CERT_TRUST_IS_NOT_VALID_FOR_USAGE            = 0x00000010
 256         CERT_TRUST_IS_UNTRUSTED_ROOT                 = 0x00000020
 257         CERT_TRUST_REVOCATION_STATUS_UNKNOWN         = 0x00000040
 258         CERT_TRUST_IS_CYCLIC                         = 0x00000080
 259         CERT_TRUST_INVALID_EXTENSION                 = 0x00000100
 260         CERT_TRUST_INVALID_POLICY_CONSTRAINTS        = 0x00000200
 261         CERT_TRUST_INVALID_BASIC_CONSTRAINTS         = 0x00000400
 262         CERT_TRUST_INVALID_NAME_CONSTRAINTS          = 0x00000800
 263         CERT_TRUST_HAS_NOT_SUPPORTED_NAME_CONSTRAINT = 0x00001000
 264         CERT_TRUST_HAS_NOT_DEFINED_NAME_CONSTRAINT   = 0x00002000
 265         CERT_TRUST_HAS_NOT_PERMITTED_NAME_CONSTRAINT = 0x00004000
 266         CERT_TRUST_HAS_EXCLUDED_NAME_CONSTRAINT      = 0x00008000
 267         CERT_TRUST_IS_OFFLINE_REVOCATION             = 0x01000000
 268         CERT_TRUST_NO_ISSUANCE_CHAIN_POLICY          = 0x02000000
 269         CERT_TRUST_IS_EXPLICIT_DISTRUST              = 0x04000000
 270         CERT_TRUST_HAS_NOT_SUPPORTED_CRITICAL_EXT    = 0x08000000
 271
 272         CERT_CHAIN_POLICY_BASE              = 1
 273         CERT_CHAIN_POLICY_AUTHENTICODE      = 2
 274         CERT_CHAIN_POLICY_AUTHENTICODE_TS   = 3
 275         CERT_CHAIN_POLICY_SSL               = 4
 276         CERT_CHAIN_POLICY_BASIC_CONSTRAINTS = 5
 277         CERT_CHAIN_POLICY_NT_AUTH           = 6
 278         CERT_CHAIN_POLICY_MICROSOFT_ROOT    = 7
 279         CERT_CHAIN_POLICY_EV                = 8
 280
 281         CERT_E_EXPIRED       = 0x800B0101
 282         CERT_E_ROLE          = 0x800B0103
 283         CERT_E_PURPOSE       = 0x800B0106
 284         CERT_E_UNTRUSTEDROOT = 0x800B0109
 285         CERT_E_CN_NO_MATCH   = 0x800B010F
 286
 287         AUTHTYPE_CLIENT = 1
 288         AUTHTYPE_SERVER = 2
 289 )
 290
 291 var (
 292         OID_PKIX_KP_SERVER_AUTH = []byte("1.3.6.1.5.5.7.3.1\x00")
 293         OID_SERVER_GATED_CRYPTO = []byte("1.3.6.1.4.1.311.10.3.3\x00")
 294         OID_SGC_NETSCAPE        = []byte("2.16.840.1.113730.4.1\x00")
 295 )
 296
 297 // Invented values to support what package os expects.
 298 type Timeval struct {
 299         Sec  int32
 300         Usec int32
 301 }
 302
 303 func (tv *Timeval) Nanoseconds() int64 {
 304         return (int64(tv.Sec)*1e6 + int64(tv.Usec)) * 1e3
 305 }
 306
 307 func NsecToTimeval(nsec int64) (tv Timeval) {
 308         tv.Sec = int32(nsec / 1e9)
 309         tv.Usec = int32(nsec % 1e9 / 1e3)
 310         return
 311 }
 312
 313 type SecurityAttributes struct {
 314         Length             uint32
 315         SecurityDescriptor uintptr
 316         InheritHandle      uint32
 317 }
 318
 319 type Overlapped struct {
 320         Internal     uintptr
 321         InternalHigh uintptr
 322         Offset       uint32
 323         OffsetHigh   uint32
 324         HEvent       Handle
 325 }
 326
 327 type FileNotifyInformation struct {
 328         NextEntryOffset uint32
 329         Action          uint32
 330         FileNameLength  uint32
 331         FileName        uint16
 332 }
 333
 334 type Filetime struct {
 335         LowDateTime  uint32
 336         HighDateTime uint32
 337 }
 338
 339 // Nanoseconds returns Filetime ft in nanoseconds
 340 // since Epoch (00:00:00 UTC, January 1, 1970).
 341 func (ft *Filetime) Nanoseconds() int64 {
 342         // 100-nanosecond intervals since January 1, 1601
 343         nsec := int64(ft.HighDateTime)<<32 + int64(ft.LowDateTime)
 344         // change starting time to the Epoch (00:00:00 UTC, January 1, 1970)
 345         nsec -= 116444736000000000
 346         // convert into nanoseconds
 347         nsec *= 100
 348         return nsec
 349 }
 350
 351 func NsecToFiletime(nsec int64) (ft Filetime) {
 352         // convert into 100-nanosecond
 353         nsec /= 100
 354         // change starting time to January 1, 1601
 355         nsec += 116444736000000000
 356         // split into high / low
 357         ft.LowDateTime = uint32(nsec & 0xffffffff)
 358         ft.HighDateTime = uint32(nsec >> 32 & 0xffffffff)
 359         return ft
 360 }
 361
 362 type Win32finddata struct {
 363         FileAttributes    uint32
 364         CreationTime      Filetime
 365         LastAccessTime    Filetime
 366         LastWriteTime     Filetime
 367         FileSizeHigh      uint32
 368         FileSizeLow       uint32
 369         Reserved0         uint32
 370         Reserved1         uint32
 371         FileName          [MAX_PATH - 1]uint16
 372         AlternateFileName [13]uint16
 373 }
 374
 375 // This is the actual system call structure.
 376 // Win32finddata is what we committed to in Go 1.
 377 type win32finddata1 struct {
 378         FileAttributes    uint32
 379         CreationTime      Filetime
 380         LastAccessTime    Filetime
 381         LastWriteTime     Filetime
 382         FileSizeHigh      uint32
 383         FileSizeLow       uint32
 384         Reserved0         uint32
 385         Reserved1         uint32
 386         FileName          [MAX_PATH]uint16
 387         AlternateFileName [14]uint16
 388 }
 389
 390 func copyFindData(dst *Win32finddata, src *win32finddata1) {
 391         dst.FileAttributes = src.FileAttributes
 392         dst.CreationTime = src.CreationTime
 393         dst.LastAccessTime = src.LastAccessTime
 394         dst.LastWriteTime = src.LastWriteTime
 395         dst.FileSizeHigh = src.FileSizeHigh
 396         dst.FileSizeLow = src.FileSizeLow
 397         dst.Reserved0 = src.Reserved0
 398         dst.Reserved1 = src.Reserved1
 399
 400         // The src is 1 element bigger than dst, but it must be NUL.
 401         copy(dst.FileName[:], src.FileName[:])
 402         copy(dst.AlternateFileName[:], src.AlternateFileName[:])
 403 }
 404
 405 type ByHandleFileInformation struct {
 406         FileAttributes     uint32
 407         CreationTime       Filetime
 408         LastAccessTime     Filetime
 409         LastWriteTime      Filetime
 410         VolumeSerialNumber uint32
 411         FileSizeHigh       uint32
 412         FileSizeLow        uint32
 413         NumberOfLinks      uint32
 414         FileIndexHigh      uint32
 415         FileIndexLow       uint32
 416 }
 417
 418 const (
 419         GetFileExInfoStandard = 0
 420         GetFileExMaxInfoLevel = 1
 421 )
 422
 423 type Win32FileAttributeData struct {
 424         FileAttributes uint32
 425         CreationTime   Filetime
 426         LastAccessTime Filetime
 427         LastWriteTime  Filetime
 428         FileSizeHigh   uint32
 429         FileSizeLow    uint32
 430 }
 431
 432 // ShowWindow constants
 433 const (
 434         // winuser.h
 435         SW_HIDE            = 0
 436         SW_NORMAL          = 1
 437         SW_SHOWNORMAL      = 1
 438         SW_SHOWMINIMIZED   = 2
 439         SW_SHOWMAXIMIZED   = 3
 440         SW_MAXIMIZE        = 3
 441         SW_SHOWNOACTIVATE  = 4
 442         SW_SHOW            = 5
 443         SW_MINIMIZE        = 6
 444         SW_SHOWMINNOACTIVE = 7
 445         SW_SHOWNA          = 8
 446         SW_RESTORE         = 9
 447         SW_SHOWDEFAULT     = 10
 448         SW_FORCEMINIMIZE   = 11
 449 )
 450
 451 type StartupInfo struct {
 452         Cb            uint32
 453         _             *uint16
 454         Desktop       *uint16
 455         Title         *uint16
 456         X             uint32
 457         Y             uint32
 458         XSize         uint32
 459         YSize         uint32
 460         XCountChars   uint32
 461         YCountChars   uint32
 462         FillAttribute uint32
 463         Flags         uint32
 464         ShowWindow    uint16
 465         _             uint16
 466         _             *byte
 467         StdInput      Handle
 468         StdOutput     Handle
 469         StdErr        Handle
 470 }
 471
 472 type ProcessInformation struct {
 473         Process   Handle
 474         Thread    Handle
 475         ProcessId uint32
 476         ThreadId  uint32
 477 }
 478
 479 type ProcessEntry32 struct {
 480         Size            uint32
 481         Usage           uint32
 482         ProcessID       uint32
 483         DefaultHeapID   uintptr
 484         ModuleID        uint32
 485         Threads         uint32
 486         ParentProcessID uint32
 487         PriClassBase    int32
 488         Flags           uint32
 489         ExeFile         [MAX_PATH]uint16
 490 }
 491
 492 type Systemtime struct {
 493         Year         uint16
 494         Month        uint16
 495         DayOfWeek    uint16
 496         Day          uint16
 497         Hour         uint16
 498         Minute       uint16
 499         Second       uint16
 500         Milliseconds uint16
 501 }
 502
 503 type Timezoneinformation struct {
 504         Bias         int32
 505         StandardName [32]uint16
 506         StandardDate Systemtime
 507         StandardBias int32
 508         DaylightName [32]uint16
 509         DaylightDate Systemtime
 510         DaylightBias int32
 511 }
 512
 513 // Socket related.
 514
 515 const (
 516         AF_UNSPEC  = 0
 517         AF_UNIX    = 1
 518         AF_INET    = 2
 519         AF_INET6   = 23
 520         AF_NETBIOS = 17
 521
 522         SOCK_STREAM    = 1
 523         SOCK_DGRAM     = 2
 524         SOCK_RAW       = 3
 525         SOCK_SEQPACKET = 5
 526
 527         IPPROTO_IP   = 0
 528         IPPROTO_IPV6 = 0x29
 529         IPPROTO_TCP  = 6
 530         IPPROTO_UDP  = 17
 531
 532         SOL_SOCKET                = 0xffff
 533         SO_REUSEADDR              = 4
 534         SO_KEEPALIVE              = 8
 535         SO_DONTROUTE              = 16
 536         SO_BROADCAST              = 32
 537         SO_LINGER                 = 128
 538         SO_RCVBUF                 = 0x1002
 539         SO_SNDBUF                 = 0x1001
 540         SO_UPDATE_ACCEPT_CONTEXT  = 0x700b
 541         SO_UPDATE_CONNECT_CONTEXT = 0x7010
 542
 543         IOC_OUT                            = 0x40000000
 544         IOC_IN                             = 0x80000000
 545         IOC_VENDOR                         = 0x18000000
 546         IOC_INOUT                          = IOC_IN | IOC_OUT
 547         IOC_WS2                            = 0x08000000
 548         SIO_GET_EXTENSION_FUNCTION_POINTER = IOC_INOUT | IOC_WS2 | 6
 549         SIO_KEEPALIVE_VALS                 = IOC_IN | IOC_VENDOR | 4
 550         SIO_UDP_CONNRESET                  = IOC_IN | IOC_VENDOR | 12
 551
 552         // cf. http://support.microsoft.com/default.aspx?scid=kb;en-us;257460
 553
 554         IP_TOS             = 0x3
 555         IP_TTL             = 0x4
 556         IP_MULTICAST_IF    = 0x9
 557         IP_MULTICAST_TTL   = 0xa
 558         IP_MULTICAST_LOOP  = 0xb
 559         IP_ADD_MEMBERSHIP  = 0xc
 560         IP_DROP_MEMBERSHIP = 0xd
 561
 562         IPV6_V6ONLY         = 0x1b
 563         IPV6_UNICAST_HOPS   = 0x4
 564         IPV6_MULTICAST_IF   = 0x9
 565         IPV6_MULTICAST_HOPS = 0xa
 566         IPV6_MULTICAST_LOOP = 0xb
 567         IPV6_JOIN_GROUP     = 0xc
 568         IPV6_LEAVE_GROUP    = 0xd
 569
 570         SOMAXCONN = 0x7fffffff
 571
 572         TCP_NODELAY = 1
 573
 574         SHUT_RD   = 0
 575         SHUT_WR   = 1
 576         SHUT_RDWR = 2
 577
 578         WSADESCRIPTION_LEN = 256
 579         WSASYS_STATUS_LEN  = 128
 580 )
 581
 582 type WSABuf struct {
 583         Len uint32
 584         Buf *byte
 585 }
 586
 587 // Invented values to support what package os expects.
 588 const (
 589         S_IFMT   = 0x1f000
 590         S_IFIFO  = 0x1000
 591         S_IFCHR  = 0x2000
 592         S_IFDIR  = 0x4000
 593         S_IFBLK  = 0x6000
 594         S_IFREG  = 0x8000
 595         S_IFLNK  = 0xa000
 596         S_IFSOCK = 0xc000
 597         S_ISUID  = 0x800
 598         S_ISGID  = 0x400
 599         S_ISVTX  = 0x200
 600         S_IRUSR  = 0x100
 601         S_IWRITE = 0x80
 602         S_IWUSR  = 0x80
 603         S_IXUSR  = 0x40
 604 )
 605
 606 const (
 607         FILE_TYPE_CHAR    = 0x0002
 608         FILE_TYPE_DISK    = 0x0001
 609         FILE_TYPE_PIPE    = 0x0003
 610         FILE_TYPE_REMOTE  = 0x8000
 611         FILE_TYPE_UNKNOWN = 0x0000
 612 )
 613
 614 type Hostent struct {
 615         Name     *byte
 616         Aliases  **byte
 617         AddrType uint16
 618         Length   uint16
 619         AddrList **byte
 620 }
 621
 622 type Protoent struct {
 623         Name    *byte
 624         Aliases **byte
 625         Proto   uint16
 626 }
 627
 628 const (
 629         DNS_TYPE_A       = 0x0001
 630         DNS_TYPE_NS      = 0x0002
 631         DNS_TYPE_MD      = 0x0003
 632         DNS_TYPE_MF      = 0x0004
 633         DNS_TYPE_CNAME   = 0x0005
 634         DNS_TYPE_SOA     = 0x0006
 635         DNS_TYPE_MB      = 0x0007
 636         DNS_TYPE_MG      = 0x0008
 637         DNS_TYPE_MR      = 0x0009
 638         DNS_TYPE_NULL    = 0x000a
 639         DNS_TYPE_WKS     = 0x000b
 640         DNS_TYPE_PTR     = 0x000c
 641         DNS_TYPE_HINFO   = 0x000d
 642         DNS_TYPE_MINFO   = 0x000e
 643         DNS_TYPE_MX      = 0x000f
 644         DNS_TYPE_TEXT    = 0x0010
 645         DNS_TYPE_RP      = 0x0011
 646         DNS_TYPE_AFSDB   = 0x0012
 647         DNS_TYPE_X25     = 0x0013
 648         DNS_TYPE_ISDN    = 0x0014
 649         DNS_TYPE_RT      = 0x0015
 650         DNS_TYPE_NSAP    = 0x0016
 651         DNS_TYPE_NSAPPTR = 0x0017
 652         DNS_TYPE_SIG     = 0x0018
 653         DNS_TYPE_KEY     = 0x0019
 654         DNS_TYPE_PX      = 0x001a
 655         DNS_TYPE_GPOS    = 0x001b
 656         DNS_TYPE_AAAA    = 0x001c
 657         DNS_TYPE_LOC     = 0x001d
 658         DNS_TYPE_NXT     = 0x001e
 659         DNS_TYPE_EID     = 0x001f
 660         DNS_TYPE_NIMLOC  = 0x0020
 661         DNS_TYPE_SRV     = 0x0021
 662         DNS_TYPE_ATMA    = 0x0022
 663         DNS_TYPE_NAPTR   = 0x0023
 664         DNS_TYPE_KX      = 0x0024
 665         DNS_TYPE_CERT    = 0x0025
 666         DNS_TYPE_A6      = 0x0026
 667         DNS_TYPE_DNAME   = 0x0027
 668         DNS_TYPE_SINK    = 0x0028
 669         DNS_TYPE_OPT     = 0x0029
 670         DNS_TYPE_DS      = 0x002B
 671         DNS_TYPE_RRSIG   = 0x002E
 672         DNS_TYPE_NSEC    = 0x002F
 673         DNS_TYPE_DNSKEY  = 0x0030
 674         DNS_TYPE_DHCID   = 0x0031
 675         DNS_TYPE_UINFO   = 0x0064
 676         DNS_TYPE_UID     = 0x0065
 677         DNS_TYPE_GID     = 0x0066
 678         DNS_TYPE_UNSPEC  = 0x0067
 679         DNS_TYPE_ADDRS   = 0x00f8
 680         DNS_TYPE_TKEY    = 0x00f9
 681         DNS_TYPE_TSIG    = 0x00fa
 682         DNS_TYPE_IXFR    = 0x00fb
 683         DNS_TYPE_AXFR    = 0x00fc
 684         DNS_TYPE_MAILB   = 0x00fd
 685         DNS_TYPE_MAILA   = 0x00fe
 686         DNS_TYPE_ALL     = 0x00ff
 687         DNS_TYPE_ANY     = 0x00ff
 688         DNS_TYPE_WINS    = 0xff01
 689         DNS_TYPE_WINSR   = 0xff02
 690         DNS_TYPE_NBSTAT  = 0xff01
 691 )
 692
 693 const (
 694         DNS_INFO_NO_RECORDS = 0x251D
 695 )
 696
 697 const (
 698         // flags inside DNSRecord.Dw
 699         DnsSectionQuestion   = 0x0000
 700         DnsSectionAnswer     = 0x0001
 701         DnsSectionAuthority  = 0x0002
 702         DnsSectionAdditional = 0x0003
 703 )
 704
 705 type DNSSRVData struct {
 706         Target   *uint16
 707         Priority uint16
 708         Weight   uint16
 709         Port     uint16
 710         Pad      uint16
 711 }
 712
 713 type DNSPTRData struct {
 714         Host *uint16
 715 }
 716
 717 type DNSMXData struct {
 718         NameExchange *uint16
 719         Preference   uint16
 720         Pad          uint16
 721 }
 722
 723 type DNSTXTData struct {
 724         StringCount uint16
 725         StringArray [1]*uint16
 726 }
 727
 728 type DNSRecord struct {
 729         Next     *DNSRecord
 730         Name     *uint16
 731         Type     uint16
 732         Length   uint16
 733         Dw       uint32
 734         Ttl      uint32
 735         Reserved uint32
 736         Data     [40]byte
 737 }
 738
 739 const (
 740         TF_DISCONNECT         = 1
 741         TF_REUSE_SOCKET       = 2
 742         TF_WRITE_BEHIND       = 4
 743         TF_USE_DEFAULT_WORKER = 0
 744         TF_USE_SYSTEM_THREAD  = 16
 745         TF_USE_KERNEL_APC     = 32
 746 )
 747
 748 type TransmitFileBuffers struct {
 749         Head       uintptr
 750         HeadLength uint32
 751         Tail       uintptr
 752         TailLength uint32
 753 }
 754
 755 const (
 756         IFF_UP           = 1
 757         IFF_BROADCAST    = 2
 758         IFF_LOOPBACK     = 4
 759         IFF_POINTTOPOINT = 8
 760         IFF_MULTICAST    = 16
 761 )
 762
 763 const SIO_GET_INTERFACE_LIST = 0x4004747F
 764
 765 // TODO(mattn): SockaddrGen is union of sockaddr/sockaddr_in/sockaddr_in6_old.
 766 // will be fixed to change variable type as suitable.
 767
 768 type SockaddrGen [24]byte
 769
 770 type InterfaceInfo struct {
 771         Flags            uint32
 772         Address          SockaddrGen
 773         BroadcastAddress SockaddrGen
 774         Netmask          SockaddrGen
 775 }
 776
 777 type IpAddressString struct {
 778         String [16]byte
 779 }
 780
 781 type IpMaskString IpAddressString
 782
 783 type IpAddrString struct {
 784         Next      *IpAddrString
 785         IpAddress IpAddressString
 786         IpMask    IpMaskString
 787         Context   uint32
 788 }
 789
 790 const MAX_ADAPTER_NAME_LENGTH = 256
 791 const MAX_ADAPTER_DESCRIPTION_LENGTH = 128
 792 const MAX_ADAPTER_ADDRESS_LENGTH = 8
 793
 794 type IpAdapterInfo struct {
 795         Next                *IpAdapterInfo
 796         ComboIndex          uint32
 797         AdapterName         [MAX_ADAPTER_NAME_LENGTH + 4]byte
 798         Description         [MAX_ADAPTER_DESCRIPTION_LENGTH + 4]byte
 799         AddressLength       uint32
 800         Address             [MAX_ADAPTER_ADDRESS_LENGTH]byte
 801         Index               uint32
 802         Type                uint32
 803         DhcpEnabled         uint32
 804         CurrentIpAddress    *IpAddrString
 805         IpAddressList       IpAddrString
 806         GatewayList         IpAddrString
 807         DhcpServer          IpAddrString
 808         HaveWins            bool
 809         PrimaryWinsServer   IpAddrString
 810         SecondaryWinsServer IpAddrString
 811         LeaseObtained       int64
 812         LeaseExpires        int64
 813 }
 814
 815 const MAXLEN_PHYSADDR = 8
 816 const MAX_INTERFACE_NAME_LEN = 256
 817 const MAXLEN_IFDESCR = 256
 818
 819 type MibIfRow struct {
 820         Name            [MAX_INTERFACE_NAME_LEN]uint16
 821         Index           uint32
 822         Type            uint32
 823         Mtu             uint32
 824         Speed           uint32
 825         PhysAddrLen     uint32
 826         PhysAddr        [MAXLEN_PHYSADDR]byte
 827         AdminStatus     uint32
 828         OperStatus      uint32
 829         LastChange      uint32
 830         InOctets        uint32
 831         InUcastPkts     uint32
 832         InNUcastPkts    uint32
 833         InDiscards      uint32
 834         InErrors        uint32
 835         InUnknownProtos uint32
 836         OutOctets       uint32
 837         OutUcastPkts    uint32
 838         OutNUcastPkts   uint32
 839         OutDiscards     uint32
 840         OutErrors       uint32
 841         OutQLen         uint32
 842         DescrLen        uint32
 843         Descr           [MAXLEN_IFDESCR]byte
 844 }
 845
 846 type CertContext struct {
 847         EncodingType uint32
 848         EncodedCert  *byte
 849         Length       uint32
 850         CertInfo     uintptr
 851         Store        Handle
 852 }
 853
 854 type CertChainContext struct {
 855         Size                       uint32
 856         TrustStatus                CertTrustStatus
 857         ChainCount                 uint32
 858         Chains                     **CertSimpleChain
 859         LowerQualityChainCount     uint32
 860         LowerQualityChains         **CertChainContext
 861         HasRevocationFreshnessTime uint32
 862         RevocationFreshnessTime    uint32
 863 }
 864
 865 type CertSimpleChain struct {
 866         Size                       uint32
 867         TrustStatus                CertTrustStatus
 868         NumElements                uint32
 869         Elements                   **CertChainElement
 870         TrustListInfo              uintptr
 871         HasRevocationFreshnessTime uint32
 872         RevocationFreshnessTime    uint32
 873 }
 874
 875 type CertChainElement struct {
 876         Size              uint32
 877         CertContext       *CertContext
 878         TrustStatus       CertTrustStatus
 879         RevocationInfo    *CertRevocationInfo
 880         IssuanceUsage     *CertEnhKeyUsage
 881         ApplicationUsage  *CertEnhKeyUsage
 882         ExtendedErrorInfo *uint16
 883 }
 884
 885 type CertRevocationInfo struct {
 886         Size             uint32
 887         RevocationResult uint32
 888         RevocationOid    *byte
 889         OidSpecificInfo  uintptr
 890         HasFreshnessTime uint32
 891         FreshnessTime    uint32
 892         CrlInfo          uintptr // *CertRevocationCrlInfo
 893 }
 894
 895 type CertTrustStatus struct {
 896         ErrorStatus uint32
 897         InfoStatus  uint32
 898 }
 899
 900 type CertUsageMatch struct {
 901         Type  uint32
 902         Usage CertEnhKeyUsage
 903 }
 904
 905 type CertEnhKeyUsage struct {
 906         Length           uint32
 907         UsageIdentifiers **byte
 908 }
 909
 910 type CertChainPara struct {
 911         Size                         uint32
 912         RequestedUsage               CertUsageMatch
 913         RequstedIssuancePolicy       CertUsageMatch
 914         URLRetrievalTimeout          uint32
 915         CheckRevocationFreshnessTime uint32
 916         RevocationFreshnessTime      uint32
 917         CacheResync                  *Filetime
 918 }
 919
 920 type CertChainPolicyPara struct {
 921         Size            uint32
 922         Flags           uint32
 923         ExtraPolicyPara uintptr
 924 }
 925
 926 type SSLExtraCertChainPolicyPara struct {
 927         Size       uint32
 928         AuthType   uint32
 929         Checks     uint32
 930         ServerName *uint16
 931 }
 932
 933 type CertChainPolicyStatus struct {
 934         Size              uint32
 935         Error             uint32
 936         ChainIndex        uint32
 937         ElementIndex      uint32
 938         ExtraPolicyStatus uintptr
 939 }
 940
 941 const (
 942         // do not reorder
 943         HKEY_CLASSES_ROOT = 0x80000000 + iota
 944         HKEY_CURRENT_USER
 945         HKEY_LOCAL_MACHINE
 946         HKEY_USERS
 947         HKEY_PERFORMANCE_DATA
 948         HKEY_CURRENT_CONFIG
 949         HKEY_DYN_DATA
 950
 951         KEY_QUERY_VALUE        = 1
 952         KEY_SET_VALUE          = 2
 953         KEY_CREATE_SUB_KEY     = 4
 954         KEY_ENUMERATE_SUB_KEYS = 8
 955         KEY_NOTIFY             = 16
 956         KEY_CREATE_LINK        = 32
 957         KEY_WRITE              = 0x20006
 958         KEY_EXECUTE            = 0x20019
 959         KEY_READ               = 0x20019
 960         KEY_WOW64_64KEY        = 0x0100
 961         KEY_WOW64_32KEY        = 0x0200
 962         KEY_ALL_ACCESS         = 0xf003f
 963 )
 964
 965 const (
 966         // do not reorder
 967         REG_NONE = iota
 968         REG_SZ
 969         REG_EXPAND_SZ
 970         REG_BINARY
 971         REG_DWORD_LITTLE_ENDIAN
 972         REG_DWORD_BIG_ENDIAN
 973         REG_LINK
 974         REG_MULTI_SZ
 975         REG_RESOURCE_LIST
 976         REG_FULL_RESOURCE_DESCRIPTOR
 977         REG_RESOURCE_REQUIREMENTS_LIST
 978         REG_QWORD_LITTLE_ENDIAN
 979         REG_DWORD = REG_DWORD_LITTLE_ENDIAN
 980         REG_QWORD = REG_QWORD_LITTLE_ENDIAN
 981 )
 982
 983 type AddrinfoW struct {
 984         Flags     int32
 985         Family    int32
 986         Socktype  int32
 987         Protocol  int32
 988         Addrlen   uintptr
 989         Canonname *uint16
 990         Addr      uintptr
 991         Next      *AddrinfoW
 992 }
 993
 994 const (
 995         AI_PASSIVE     = 1
 996         AI_CANONNAME   = 2
 997         AI_NUMERICHOST = 4
 998 )
 999
1000 type GUID struct {
1001         Data1 uint32
1002         Data2 uint16
1003         Data3 uint16
1004         Data4 [8]byte
1005 }
1006
1007 var WSAID_CONNECTEX = GUID{
1008         0x25a207b9,
1009         0xddf3,
1010         0x4660,
1011         [8]byte{0x8e, 0xe9, 0x76, 0xe5, 0x8c, 0x74, 0x06, 0x3e},
1012 }
1013
1014 const (
1015         FILE_SKIP_COMPLETION_PORT_ON_SUCCESS = 1
1016         FILE_SKIP_SET_EVENT_ON_HANDLE        = 2
1017 )
1018
1019 const (
1020         WSAPROTOCOL_LEN    = 255
1021         MAX_PROTOCOL_CHAIN = 7
1022         BASE_PROTOCOL      = 1
1023         LAYERED_PROTOCOL   = 0
1024
1025         XP1_CONNECTIONLESS           = 0x00000001
1026         XP1_GUARANTEED_DELIVERY      = 0x00000002
1027         XP1_GUARANTEED_ORDER         = 0x00000004
1028         XP1_MESSAGE_ORIENTED         = 0x00000008
1029         XP1_PSEUDO_STREAM            = 0x00000010
1030         XP1_GRACEFUL_CLOSE           = 0x00000020
1031         XP1_EXPEDITED_DATA           = 0x00000040
1032         XP1_CONNECT_DATA             = 0x00000080
1033         XP1_DISCONNECT_DATA          = 0x00000100
1034         XP1_SUPPORT_BROADCAST        = 0x00000200
1035         XP1_SUPPORT_MULTIPOINT       = 0x00000400
1036         XP1_MULTIPOINT_CONTROL_PLANE = 0x00000800
1037         XP1_MULTIPOINT_DATA_PLANE    = 0x00001000
1038         XP1_QOS_SUPPORTED            = 0x00002000
1039         XP1_UNI_SEND                 = 0x00008000
1040         XP1_UNI_RECV                 = 0x00010000
1041         XP1_IFS_HANDLES              = 0x00020000
1042         XP1_PARTIAL_MESSAGE          = 0x00040000
1043         XP1_SAN_SUPPORT_SDP          = 0x00080000
1044
1045         PFL_MULTIPLE_PROTO_ENTRIES  = 0x00000001
1046         PFL_RECOMMENDED_PROTO_ENTRY = 0x00000002
1047         PFL_HIDDEN                  = 0x00000004
1048         PFL_MATCHES_PROTOCOL_ZERO   = 0x00000008
1049         PFL_NETWORKDIRECT_PROVIDER  = 0x00000010
1050 )
1051
1052 type WSAProtocolInfo struct {
1053         ServiceFlags1     uint32
1054         ServiceFlags2     uint32
1055         ServiceFlags3     uint32
1056         ServiceFlags4     uint32
1057         ProviderFlags     uint32
1058         ProviderId        GUID
1059         CatalogEntryId    uint32
1060         ProtocolChain     WSAProtocolChain
1061         Version           int32
1062         AddressFamily     int32
1063         MaxSockAddr       int32
1064         MinSockAddr       int32
1065         SocketType        int32
1066         Protocol          int32
1067         ProtocolMaxOffset int32
1068         NetworkByteOrder  int32
1069         SecurityScheme    int32
1070         MessageSize       uint32
1071         ProviderReserved  uint32
1072         ProtocolName      [WSAPROTOCOL_LEN + 1]uint16
1073 }
1074
1075 type WSAProtocolChain struct {
1076         ChainLen     int32
1077         ChainEntries [MAX_PROTOCOL_CHAIN]uint32
1078 }
1079
1080 type TCPKeepalive struct {
1081         OnOff    uint32
1082         Time     uint32
1083         Interval uint32
1084 }
1085
1086 type symbolicLinkReparseBuffer struct {
1087         SubstituteNameOffset uint16
1088         SubstituteNameLength uint16
1089         PrintNameOffset      uint16
1090         PrintNameLength      uint16
1091         Flags                uint32
1092         PathBuffer           [1]uint16
1093 }
1094
1095 type mountPointReparseBuffer struct {
1096         SubstituteNameOffset uint16
1097         SubstituteNameLength uint16
1098         PrintNameOffset      uint16
1099         PrintNameLength      uint16
1100         PathBuffer           [1]uint16
1101 }
1102
1103 type reparseDataBuffer struct {
1104         ReparseTag        uint32
1105         ReparseDataLength uint16
1106         Reserved          uint16
1107
1108         // GenericReparseBuffer
1109         reparseBuffer byte
1110 }
1111
1112 const (
1113         FSCTL_GET_REPARSE_POINT          = 0x900A8
1114         MAXIMUM_REPARSE_DATA_BUFFER_SIZE = 16 * 1024
1115         IO_REPARSE_TAG_MOUNT_POINT       = 0xA0000003
1116         IO_REPARSE_TAG_SYMLINK           = 0xA000000C
1117         SYMBOLIC_LINK_FLAG_DIRECTORY     = 0x1
1118 )
1119
1120 const (
1121         ComputerNameNetBIOS                   = 0
1122         ComputerNameDnsHostname               = 1
1123         ComputerNameDnsDomain                 = 2
1124         ComputerNameDnsFullyQualified         = 3
1125         ComputerNamePhysicalNetBIOS           = 4
1126         ComputerNamePhysicalDnsHostname       = 5
1127         ComputerNamePhysicalDnsDomain         = 6
1128         ComputerNamePhysicalDnsFullyQualified = 7
1129         ComputerNameMax                       = 8
1130 )
1131
1132 const (
1133         MOVEFILE_REPLACE_EXISTING      = 0x1
1134         MOVEFILE_COPY_ALLOWED          = 0x2
1135         MOVEFILE_DELAY_UNTIL_REBOOT    = 0x4
1136         MOVEFILE_WRITE_THROUGH         = 0x8
1137         MOVEFILE_CREATE_HARDLINK       = 0x10
1138         MOVEFILE_FAIL_IF_NOT_TRACKABLE = 0x20
1139 )
1140
1141 const GAA_FLAG_INCLUDE_PREFIX = 0x00000010
1142
1143 const (
1144         IF_TYPE_OTHER              = 1
1145         IF_TYPE_ETHERNET_CSMACD    = 6
1146         IF_TYPE_ISO88025_TOKENRING = 9
1147         IF_TYPE_PPP                = 23
1148         IF_TYPE_SOFTWARE_LOOPBACK  = 24
1149         IF_TYPE_ATM                = 37
1150         IF_TYPE_IEEE80211          = 71
1151         IF_TYPE_TUNNEL             = 131
1152         IF_TYPE_IEEE1394           = 144
1153 )
1154
1155 type SocketAddress struct {
1156         Sockaddr       *syscall.RawSockaddrAny
1157         SockaddrLength int32
1158 }
1159
1160 type IpAdapterUnicastAddress struct {
1161         Length             uint32
1162         Flags              uint32
1163         Next               *IpAdapterUnicastAddress
1164         Address            SocketAddress
1165         PrefixOrigin       int32
1166         SuffixOrigin       int32
1167         DadState           int32
1168         ValidLifetime      uint32
1169         PreferredLifetime  uint32
1170         LeaseLifetime      uint32
1171         OnLinkPrefixLength uint8
1172 }
1173
1174 type IpAdapterAnycastAddress struct {
1175         Length  uint32
1176         Flags   uint32
1177         Next    *IpAdapterAnycastAddress
1178         Address SocketAddress
1179 }
1180
1181 type IpAdapterMulticastAddress struct {
1182         Length  uint32
1183         Flags   uint32
1184         Next    *IpAdapterMulticastAddress
1185         Address SocketAddress
1186 }
1187
1188 type IpAdapterDnsServerAdapter struct {
1189         Length   uint32
1190         Reserved uint32
1191         Next     *IpAdapterDnsServerAdapter
1192         Address  SocketAddress
1193 }
1194
1195 type IpAdapterPrefix struct {
1196         Length       uint32
1197         Flags        uint32
1198         Next         *IpAdapterPrefix
1199         Address      SocketAddress
1200         PrefixLength uint32
1201 }
1202
1203 type IpAdapterAddresses struct {
1204         Length                uint32
1205         IfIndex               uint32
1206         Next                  *IpAdapterAddresses
1207         AdapterName           *byte
1208         FirstUnicastAddress   *IpAdapterUnicastAddress
1209         FirstAnycastAddress   *IpAdapterAnycastAddress
1210         FirstMulticastAddress *IpAdapterMulticastAddress
1211         FirstDnsServerAddress *IpAdapterDnsServerAdapter
1212         DnsSuffix             *uint16
1213         Description           *uint16
1214         FriendlyName          *uint16
1215         PhysicalAddress       [syscall.MAX_ADAPTER_ADDRESS_LENGTH]byte
1216         PhysicalAddressLength uint32
1217         Flags                 uint32
1218         Mtu                   uint32
1219         IfType                uint32
1220         OperStatus            uint32
1221         Ipv6IfIndex           uint32
1222         ZoneIndices           [16]uint32
1223         FirstPrefix           *IpAdapterPrefix
1224         /* more fields might be present here. */
1225 }
1226
1227 const (
1228         IfOperStatusUp             = 1
1229         IfOperStatusDown           = 2
1230         IfOperStatusTesting        = 3
1231         IfOperStatusUnknown        = 4
1232         IfOperStatusDormant        = 5
1233         IfOperStatusNotPresent     = 6
1234         IfOperStatusLowerLayerDown = 7
1235 )
1236
1237 // Console related constants used for the mode parameter to SetConsoleMode. See
1238 // https://docs.microsoft.com/en-us/windows/console/setconsolemode for details.
1239
1240 const (
1241         ENABLE_PROCESSED_INPUT        = 0x1
1242         ENABLE_LINE_INPUT             = 0x2
1243         ENABLE_ECHO_INPUT             = 0x4
1244         ENABLE_WINDOW_INPUT           = 0x8
1245         ENABLE_MOUSE_INPUT            = 0x10
1246         ENABLE_INSERT_MODE            = 0x20
1247         ENABLE_QUICK_EDIT_MODE        = 0x40
1248         ENABLE_EXTENDED_FLAGS         = 0x80
1249         ENABLE_AUTO_POSITION          = 0x100
1250         ENABLE_VIRTUAL_TERMINAL_INPUT = 0x200
1251
1252         ENABLE_PROCESSED_OUTPUT            = 0x1
1253         ENABLE_WRAP_AT_EOL_OUTPUT          = 0x2
1254         ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x4
1255         DISABLE_NEWLINE_AUTO_RETURN        = 0x8
1256         ENABLE_LVB_GRID_WORLDWIDE          = 0x10
1257 )
1258
1259 type Coord struct {
1260         X int16
1261         Y int16
1262 }
1263
1264 type SmallRect struct {
1265         Left   int16
1266         Top    int16
1267         Right  int16
1268         Bottom int16
1269 }
1270
1271 // Used with GetConsoleScreenBuffer to retreive information about a console
1272 // screen buffer. See
1273 // https://docs.microsoft.com/en-us/windows/console/console-screen-buffer-info-str
1274 // for details.
1275
1276 type ConsoleScreenBufferInfo struct {
1277         Size              Coord
1278         CursorPosition    Coord
1279         Attributes        uint16
1280         Window            SmallRect
1281         MaximumWindowSize Coord
1282 }