func CreateWellKnownSid(sidType WELL_KNOWN_SID_TYPE) (*SID, error) {
	return CreateWellKnownDomainSid(sidType, nil)
}
Creates a SID for a well-known predefined alias, generally using the constants of the form
Win*Sid, for the local machine.
package windows
import (
	"syscall"
	"unsafe"
	"golang.org/x/sys/internal/unsafeheader"
)
const (
	NameUnknown          = 0
	NameFullyQualifiedDN = 1
	NameSamCompatible    = 2
	NameDisplay          = 3
	NameUniqueId         = 6
	NameCanonical        = 7
	NameUserPrincipal    = 8
	NameCanonicalEx      = 9
	NameServicePrincipal = 10
	NameDnsDomain        = 12
)
func TranslateAccountName(username string, from, to uint32, initSize int) (string, error) {
	u, e := UTF16PtrFromString(username)
	if e != nil {
		return "", e
	}
	n := uint32(50)
	for {
		b := make([]uint16, n)
		e = TranslateName(u, from, to, &b[0], &n)
		if e == nil {
			return UTF16ToString(b[:n]), nil
		}
		if e != ERROR_INSUFFICIENT_BUFFER {
			return "", e
		}
		if n <= uint32(len(b)) {
			return "", e
		}
	}
}
const (
	NetSetupUnknownStatus = iota
	NetSetupUnjoined
	NetSetupWorkgroupName
	NetSetupDomainName
)
type UserInfo10 struct {
	Name       *uint16
	Comment    *uint16
	UsrComment *uint16
	FullName   *uint16
}
const (
	SidTypeUser = 1 + iota
	SidTypeGroup
	SidTypeDomain
	SidTypeAlias
	SidTypeWellKnownGroup
	SidTypeDeletedAccount
	SidTypeInvalid
	SidTypeUnknown
	SidTypeComputer
	SidTypeLabel
)
type SidIdentifierAuthority struct {
	Value [6]byte
}
var (
	SECURITY_NULL_SID_AUTHORITY        = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 0}}
	SECURITY_WORLD_SID_AUTHORITY       = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 1}}
	SECURITY_LOCAL_SID_AUTHORITY       = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 2}}
	SECURITY_CREATOR_SID_AUTHORITY     = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 3}}
	SECURITY_NON_UNIQUE_AUTHORITY      = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 4}}
	SECURITY_NT_AUTHORITY              = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 5}}
	SECURITY_MANDATORY_LABEL_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 16}}
)
const (
	SECURITY_NULL_RID                   = 0
	SECURITY_WORLD_RID                  = 0
	SECURITY_LOCAL_RID                  = 0
	SECURITY_CREATOR_OWNER_RID          = 0
	SECURITY_CREATOR_GROUP_RID          = 1
	SECURITY_DIALUP_RID                 = 1
	SECURITY_NETWORK_RID                = 2
	SECURITY_BATCH_RID                  = 3
	SECURITY_INTERACTIVE_RID            = 4
	SECURITY_LOGON_IDS_RID              = 5
	SECURITY_SERVICE_RID                = 6
	SECURITY_LOCAL_SYSTEM_RID           = 18
	SECURITY_BUILTIN_DOMAIN_RID         = 32
	SECURITY_PRINCIPAL_SELF_RID         = 10
	SECURITY_CREATOR_OWNER_SERVER_RID   = 0x2
	SECURITY_CREATOR_GROUP_SERVER_RID   = 0x3
	SECURITY_LOGON_IDS_RID_COUNT        = 0x3
	SECURITY_ANONYMOUS_LOGON_RID        = 0x7
	SECURITY_PROXY_RID                  = 0x8
	SECURITY_ENTERPRISE_CONTROLLERS_RID = 0x9
	SECURITY_SERVER_LOGON_RID           = SECURITY_ENTERPRISE_CONTROLLERS_RID
	SECURITY_AUTHENTICATED_USER_RID     = 0xb
	SECURITY_RESTRICTED_CODE_RID        = 0xc
	SECURITY_NT_NON_UNIQUE_RID          = 0x15
)
const (
	DOMAIN_ALIAS_RID_ADMINS                         = 0x220
	DOMAIN_ALIAS_RID_USERS                          = 0x221
	DOMAIN_ALIAS_RID_GUESTS                         = 0x222
	DOMAIN_ALIAS_RID_POWER_USERS                    = 0x223
	DOMAIN_ALIAS_RID_ACCOUNT_OPS                    = 0x224
	DOMAIN_ALIAS_RID_SYSTEM_OPS                     = 0x225
	DOMAIN_ALIAS_RID_PRINT_OPS                      = 0x226
	DOMAIN_ALIAS_RID_BACKUP_OPS                     = 0x227
	DOMAIN_ALIAS_RID_REPLICATOR                     = 0x228
	DOMAIN_ALIAS_RID_RAS_SERVERS                    = 0x229
	DOMAIN_ALIAS_RID_PREW2KCOMPACCESS               = 0x22a
	DOMAIN_ALIAS_RID_REMOTE_DESKTOP_USERS           = 0x22b
	DOMAIN_ALIAS_RID_NETWORK_CONFIGURATION_OPS      = 0x22c
	DOMAIN_ALIAS_RID_INCOMING_FOREST_TRUST_BUILDERS = 0x22d
	DOMAIN_ALIAS_RID_MONITORING_USERS               = 0x22e
	DOMAIN_ALIAS_RID_LOGGING_USERS                  = 0x22f
	DOMAIN_ALIAS_RID_AUTHORIZATIONACCESS            = 0x230
	DOMAIN_ALIAS_RID_TS_LICENSE_SERVERS             = 0x231
	DOMAIN_ALIAS_RID_DCOM_USERS                     = 0x232
	DOMAIN_ALIAS_RID_IUSERS                         = 0x238
	DOMAIN_ALIAS_RID_CRYPTO_OPERATORS               = 0x239
	DOMAIN_ALIAS_RID_CACHEABLE_PRINCIPALS_GROUP     = 0x23b
	DOMAIN_ALIAS_RID_NON_CACHEABLE_PRINCIPALS_GROUP = 0x23c
	DOMAIN_ALIAS_RID_EVENT_LOG_READERS_GROUP        = 0x23d
	DOMAIN_ALIAS_RID_CERTSVC_DCOM_ACCESS_GROUP      = 0x23e
)
type SID struct{}
func StringToSid(s string) (*SID, error) {
	var sid *SID
	p, e := UTF16PtrFromString(s)
	if e != nil {
		return nil, e
	}
	e = ConvertStringSidToSid(p, &sid)
	if e != nil {
		return nil, e
	}
	defer LocalFree((Handle)(unsafe.Pointer(sid)))
	return sid.Copy()
}
func LookupSID(system, account string) (sid *SID, domain string, accType uint32, err error) {
	if len(account) == 0 {
		return nil, "", 0, syscall.EINVAL
	}
	acc, e := UTF16PtrFromString(account)
	if e != nil {
		return nil, "", 0, e
	}
	var sys *uint16
	if len(system) > 0 {
		sys, e = UTF16PtrFromString(system)
		if e != nil {
			return nil, "", 0, e
		}
	}
	n := uint32(50)
	dn := uint32(50)
	for {
		b := make([]byte, n)
		db := make([]uint16, dn)
		sid = (*SID)(unsafe.Pointer(&b[0]))
		e = LookupAccountName(sys, acc, sid, &n, &db[0], &dn, &accType)
		if e == nil {
			return sid, UTF16ToString(db), accType, nil
		}
		if e != ERROR_INSUFFICIENT_BUFFER {
			return nil, "", 0, e
		}
		if n <= uint32(len(b)) {
			return nil, "", 0, e
		}
	}
}
func (sid *SID) String() string {
	var s *uint16
	e := ConvertSidToStringSid(sid, &s)
	if e != nil {
		return ""
	}
	defer LocalFree((Handle)(unsafe.Pointer(s)))
	return UTF16ToString((*[256]uint16)(unsafe.Pointer(s))[:])
}
func (sid *SID) Len() int {
	return int(GetLengthSid(sid))
}
func (sid *SID) Copy() (*SID, error) {
	b := make([]byte, sid.Len())
	sid2 := (*SID)(unsafe.Pointer(&b[0]))
	e := CopySid(uint32(len(b)), sid2, sid)
	if e != nil {
		return nil, e
	}
	return sid2, nil
}
func (sid *SID) IdentifierAuthority() SidIdentifierAuthority {
	return *getSidIdentifierAuthority(sid)
}
func (sid *SID) SubAuthorityCount() uint8 {
	return *getSidSubAuthorityCount(sid)
}
func (sid *SID) SubAuthority(idx uint32) uint32 {
	if idx >= uint32(sid.SubAuthorityCount()) {
		panic("sub-authority index out of range")
	}
	return *getSidSubAuthority(sid, idx)
}
func (sid *SID) IsValid() bool {
	return isValidSid(sid)
}
func (sid *SID) Equals(sid2 *SID) bool {
	return EqualSid(sid, sid2)
}
func (sid *SID) IsWellKnown(sidType WELL_KNOWN_SID_TYPE) bool {
	return isWellKnownSid(sid, sidType)
}
func (sid *SID) LookupAccount(system string) (account, domain string, accType uint32, err error) {
	var sys *uint16
	if len(system) > 0 {
		sys, err = UTF16PtrFromString(system)
		if err != nil {
			return "", "", 0, err
		}
	}
	n := uint32(50)
	dn := uint32(50)
	for {
		b := make([]uint16, n)
		db := make([]uint16, dn)
		e := LookupAccountSid(sys, sid, &b[0], &n, &db[0], &dn, &accType)
		if e == nil {
			return UTF16ToString(b), UTF16ToString(db), accType, nil
		}
		if e != ERROR_INSUFFICIENT_BUFFER {
			return "", "", 0, e
		}
		if n <= uint32(len(b)) {
			return "", "", 0, e
		}
	}
}
type WELL_KNOWN_SID_TYPE uint32
const (
	WinNullSid                                    = 0
	WinWorldSid                                   = 1
	WinLocalSid                                   = 2
	WinCreatorOwnerSid                            = 3
	WinCreatorGroupSid                            = 4
	WinCreatorOwnerServerSid                      = 5
	WinCreatorGroupServerSid                      = 6
	WinNtAuthoritySid                             = 7
	WinDialupSid                                  = 8
	WinNetworkSid                                 = 9
	WinBatchSid                                   = 10
	WinInteractiveSid                             = 11
	WinServiceSid                                 = 12
	WinAnonymousSid                               = 13
	WinProxySid                                   = 14
	WinEnterpriseControllersSid                   = 15
	WinSelfSid                                    = 16
	WinAuthenticatedUserSid                       = 17
	WinRestrictedCodeSid                          = 18
	WinTerminalServerSid                          = 19
	WinRemoteLogonIdSid                           = 20
	WinLogonIdsSid                                = 21
	WinLocalSystemSid                             = 22
	WinLocalServiceSid                            = 23
	WinNetworkServiceSid                          = 24
	WinBuiltinDomainSid                           = 25
	WinBuiltinAdministratorsSid                   = 26
	WinBuiltinUsersSid                            = 27
	WinBuiltinGuestsSid                           = 28
	WinBuiltinPowerUsersSid                       = 29
	WinBuiltinAccountOperatorsSid                 = 30
	WinBuiltinSystemOperatorsSid                  = 31
	WinBuiltinPrintOperatorsSid                   = 32
	WinBuiltinBackupOperatorsSid                  = 33
	WinBuiltinReplicatorSid                       = 34
	WinBuiltinPreWindows2000CompatibleAccessSid   = 35
	WinBuiltinRemoteDesktopUsersSid               = 36
	WinBuiltinNetworkConfigurationOperatorsSid    = 37
	WinAccountAdministratorSid                    = 38
	WinAccountGuestSid                            = 39
	WinAccountKrbtgtSid                           = 40
	WinAccountDomainAdminsSid                     = 41
	WinAccountDomainUsersSid                      = 42
	WinAccountDomainGuestsSid                     = 43
	WinAccountComputersSid                        = 44
	WinAccountControllersSid                      = 45
	WinAccountCertAdminsSid                       = 46
	WinAccountSchemaAdminsSid                     = 47
	WinAccountEnterpriseAdminsSid                 = 48
	WinAccountPolicyAdminsSid                     = 49
	WinAccountRasAndIasServersSid                 = 50
	WinNTLMAuthenticationSid                      = 51
	WinDigestAuthenticationSid                    = 52
	WinSChannelAuthenticationSid                  = 53
	WinThisOrganizationSid                        = 54
	WinOtherOrganizationSid                       = 55
	WinBuiltinIncomingForestTrustBuildersSid      = 56
	WinBuiltinPerfMonitoringUsersSid              = 57
	WinBuiltinPerfLoggingUsersSid                 = 58
	WinBuiltinAuthorizationAccessSid              = 59
	WinBuiltinTerminalServerLicenseServersSid     = 60
	WinBuiltinDCOMUsersSid                        = 61
	WinBuiltinIUsersSid                           = 62
	WinIUserSid                                   = 63
	WinBuiltinCryptoOperatorsSid                  = 64
	WinUntrustedLabelSid                          = 65
	WinLowLabelSid                                = 66
	WinMediumLabelSid                             = 67
	WinHighLabelSid                               = 68
	WinSystemLabelSid                             = 69
	WinWriteRestrictedCodeSid                     = 70
	WinCreatorOwnerRightsSid                      = 71
	WinCacheablePrincipalsGroupSid                = 72
	WinNonCacheablePrincipalsGroupSid             = 73
	WinEnterpriseReadonlyControllersSid           = 74
	WinAccountReadonlyControllersSid              = 75
	WinBuiltinEventLogReadersGroup                = 76
	WinNewEnterpriseReadonlyControllersSid        = 77
	WinBuiltinCertSvcDComAccessGroup              = 78
	WinMediumPlusLabelSid                         = 79
	WinLocalLogonSid                              = 80
	WinConsoleLogonSid                            = 81
	WinThisOrganizationCertificateSid             = 82
	WinApplicationPackageAuthoritySid             = 83
	WinBuiltinAnyPackageSid                       = 84
	WinCapabilityInternetClientSid                = 85
	WinCapabilityInternetClientServerSid          = 86
	WinCapabilityPrivateNetworkClientServerSid    = 87
	WinCapabilityPicturesLibrarySid               = 88
	WinCapabilityVideosLibrarySid                 = 89
	WinCapabilityMusicLibrarySid                  = 90
	WinCapabilityDocumentsLibrarySid              = 91
	WinCapabilitySharedUserCertificatesSid        = 92
	WinCapabilityEnterpriseAuthenticationSid      = 93
	WinCapabilityRemovableStorageSid              = 94
	WinBuiltinRDSRemoteAccessServersSid           = 95
	WinBuiltinRDSEndpointServersSid               = 96
	WinBuiltinRDSManagementServersSid             = 97
	WinUserModeDriversSid                         = 98
	WinBuiltinHyperVAdminsSid                     = 99
	WinAccountCloneableControllersSid             = 100
	WinBuiltinAccessControlAssistanceOperatorsSid = 101
	WinBuiltinRemoteManagementUsersSid            = 102
	WinAuthenticationAuthorityAssertedSid         = 103
	WinAuthenticationServiceAssertedSid           = 104
	WinLocalAccountSid                            = 105
	WinLocalAccountAndAdministratorSid            = 106
	WinAccountProtectedUsersSid                   = 107
	WinCapabilityAppointmentsSid                  = 108
	WinCapabilityContactsSid                      = 109
	WinAccountDefaultSystemManagedSid             = 110
	WinBuiltinDefaultSystemManagedGroupSid        = 111
	WinBuiltinStorageReplicaAdminsSid             = 112
	WinAccountKeyAdminsSid                        = 113
	WinAccountEnterpriseKeyAdminsSid              = 114
	WinAuthenticationKeyTrustSid                  = 115
	WinAuthenticationKeyPropertyMFASid            = 116
	WinAuthenticationKeyPropertyAttestationSid    = 117
	WinAuthenticationFreshKeyAuthSid              = 118
	WinBuiltinDeviceOwnersSid                     = 119
)