c.rs.html -- source
Description: Source to the Rust file `library/std/src/sys/windows/c.rs`.
Keywords: rust, rustlang, rust-lang

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    //! C definitions used by libnative that don't belong in liblibc

    #![allow(nonstandard_style)]
    #![cfg_attr(test, allow(dead_code))]
    #![unstable(issue = "none", feature = "windows_c")]

    use crate::os::raw::{c_char, c_int, c_long, c_longlong, c_uint, c_ulong, c_ushort};
    use crate::ptr;

    use libc::{c_void, size_t, wchar_t};

    pub use self::EXCEPTION_DISPOSITION::*;
    pub use self::FILE_INFO_BY_HANDLE_CLASS::*;

    pub type DWORD = c_ulong;
    pub type HANDLE = LPVOID;
    pub type HINSTANCE = HANDLE;
    pub type HMODULE = HINSTANCE;
    pub type HRESULT = LONG;
    pub type BOOL = c_int;
    pub type BYTE = u8;
    pub type BOOLEAN = BYTE;
    pub type GROUP = c_uint;
    pub type LARGE_INTEGER = c_longlong;
    pub type LONG = c_long;
    pub type UINT = c_uint;
    pub type WCHAR = u16;
    pub type USHORT = c_ushort;
    pub type SIZE_T = usize;
    pub type WORD = u16;
    pub type CHAR = c_char;
    pub type ULONG_PTR = usize;
    pub type ULONG = c_ulong;

    pub type LPBOOL = *mut BOOL;
    pub type LPBYTE = *mut BYTE;
    pub type LPCSTR = *const CHAR;
    pub type LPCWSTR = *const WCHAR;
    pub type LPDWORD = *mut DWORD;
    pub type LPHANDLE = *mut HANDLE;
    pub type LPOVERLAPPED = *mut OVERLAPPED;
    pub type LPPROCESS_INFORMATION = *mut PROCESS_INFORMATION;
    pub type LPSECURITY_ATTRIBUTES = *mut SECURITY_ATTRIBUTES;
    pub type LPSTARTUPINFO = *mut STARTUPINFO;
    pub type LPVOID = *mut c_void;
    pub type LPWCH = *mut WCHAR;
    pub type LPWIN32_FIND_DATAW = *mut WIN32_FIND_DATAW;
    pub type LPWSADATA = *mut WSADATA;
    pub type LPWSAPROTOCOL_INFO = *mut WSAPROTOCOL_INFO;
    pub type LPSTR = *mut CHAR;
    pub type LPWSTR = *mut WCHAR;
    pub type LPFILETIME = *mut FILETIME;
    pub type LPWSABUF = *mut WSABUF;
    pub type LPWSAOVERLAPPED = *mut c_void;
    pub type LPWSAOVERLAPPED_COMPLETION_ROUTINE = *mut c_void;

    pub type PCONDITION_VARIABLE = *mut CONDITION_VARIABLE;
    pub type PLARGE_INTEGER = *mut c_longlong;
    pub type PSRWLOCK = *mut SRWLOCK;

    pub type SOCKET = crate::os::windows::raw::SOCKET;
    pub type socklen_t = c_int;
    pub type ADDRESS_FAMILY = USHORT;

    pub const TRUE: BOOL = 1;
    pub const FALSE: BOOL = 0;

    pub const FILE_ATTRIBUTE_READONLY: DWORD = 0x1;
    pub const FILE_ATTRIBUTE_DIRECTORY: DWORD = 0x10;
    pub const FILE_ATTRIBUTE_REPARSE_POINT: DWORD = 0x400;

    pub const FILE_SHARE_DELETE: DWORD = 0x4;
    pub const FILE_SHARE_READ: DWORD = 0x1;
    pub const FILE_SHARE_WRITE: DWORD = 0x2;

    pub const CREATE_ALWAYS: DWORD = 2;
    pub const CREATE_NEW: DWORD = 1;
    pub const OPEN_ALWAYS: DWORD = 4;
    pub const OPEN_EXISTING: DWORD = 3;
    pub const TRUNCATE_EXISTING: DWORD = 5;

    pub const FILE_WRITE_DATA: DWORD = 0x00000002;
    pub const FILE_APPEND_DATA: DWORD = 0x00000004;
    pub const FILE_WRITE_EA: DWORD = 0x00000010;
    pub const FILE_WRITE_ATTRIBUTES: DWORD = 0x00000100;
    pub const READ_CONTROL: DWORD = 0x00020000;
    pub const SYNCHRONIZE: DWORD = 0x00100000;
    pub const GENERIC_READ: DWORD = 0x80000000;
    pub const GENERIC_WRITE: DWORD = 0x40000000;
    pub const STANDARD_RIGHTS_WRITE: DWORD = READ_CONTROL;
    pub const FILE_GENERIC_WRITE: DWORD = STANDARD_RIGHTS_WRITE
        | FILE_WRITE_DATA
        | FILE_WRITE_ATTRIBUTES
        | FILE_WRITE_EA
        | FILE_APPEND_DATA
        | SYNCHRONIZE;

    pub const FILE_FLAG_OPEN_REPARSE_POINT: DWORD = 0x00200000;
    pub const FILE_FLAG_BACKUP_SEMANTICS: DWORD = 0x02000000;
    pub const SECURITY_SQOS_PRESENT: DWORD = 0x00100000;

    pub const FIONBIO: c_ulong = 0x8004667e;

    #[repr(C)]
    #[derive(Copy)]
    pub struct WIN32_FIND_DATAW {
        pub dwFileAttributes: DWORD,
        pub ftCreationTime: FILETIME,
        pub ftLastAccessTime: FILETIME,
        pub ftLastWriteTime: FILETIME,
        pub nFileSizeHigh: DWORD,
        pub nFileSizeLow: DWORD,
        pub dwReserved0: DWORD,
        pub dwReserved1: DWORD,
        pub cFileName: [wchar_t; 260], // #define MAX_PATH 260
        pub cAlternateFileName: [wchar_t; 14],
    }
    impl Clone for WIN32_FIND_DATAW {
        fn clone(&self) -> Self {
            *self
        }
    }

    pub const WSA_FLAG_OVERLAPPED: DWORD = 0x01;
    pub const WSA_FLAG_NO_HANDLE_INHERIT: DWORD = 0x80;

    pub const WSADESCRIPTION_LEN: usize = 256;
    pub const WSASYS_STATUS_LEN: usize = 128;
    pub const WSAPROTOCOL_LEN: DWORD = 255;
    pub const INVALID_SOCKET: SOCKET = !0;

    pub const WSAEACCES: c_int = 10013;
    pub const WSAEINVAL: c_int = 10022;
    pub const WSAEWOULDBLOCK: c_int = 10035;
    pub const WSAEPROTOTYPE: c_int = 10041;
    pub const WSAEADDRINUSE: c_int = 10048;
    pub const WSAEADDRNOTAVAIL: c_int = 10049;
    pub const WSAECONNABORTED: c_int = 10053;
    pub const WSAECONNRESET: c_int = 10054;
    pub const WSAENOTCONN: c_int = 10057;
    pub const WSAESHUTDOWN: c_int = 10058;
    pub const WSAETIMEDOUT: c_int = 10060;
    pub const WSAECONNREFUSED: c_int = 10061;

    pub const MAX_PROTOCOL_CHAIN: DWORD = 7;

    pub const MAXIMUM_REPARSE_DATA_BUFFER_SIZE: usize = 16 * 1024;
    pub const FSCTL_GET_REPARSE_POINT: DWORD = 0x900a8;
    pub const IO_REPARSE_TAG_SYMLINK: DWORD = 0xa000000c;
    pub const IO_REPARSE_TAG_MOUNT_POINT: DWORD = 0xa0000003;
    pub const SYMLINK_FLAG_RELATIVE: DWORD = 0x00000001;
    pub const FSCTL_SET_REPARSE_POINT: DWORD = 0x900a4;

    pub const SYMBOLIC_LINK_FLAG_DIRECTORY: DWORD = 0x1;
    pub const SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE: DWORD = 0x2;

    // Note that these are not actually HANDLEs, just values to pass to GetStdHandle
    pub const STD_INPUT_HANDLE: DWORD = -10i32 as DWORD;
    pub const STD_OUTPUT_HANDLE: DWORD = -11i32 as DWORD;
    pub const STD_ERROR_HANDLE: DWORD = -12i32 as DWORD;

    pub const PROGRESS_CONTINUE: DWORD = 0;

    // List of Windows system error codes with descriptions:
    // https://docs.microsoft.com/en-us/windows/win32/debug/system-error-codes#system-error-codes
    pub const ERROR_FILE_NOT_FOUND: DWORD = 2;
    pub const ERROR_PATH_NOT_FOUND: DWORD = 3;
    pub const ERROR_ACCESS_DENIED: DWORD = 5;
    pub const ERROR_INVALID_HANDLE: DWORD = 6;
    pub const ERROR_NO_MORE_FILES: DWORD = 18;
    pub const ERROR_HANDLE_EOF: DWORD = 38;
    pub const ERROR_FILE_EXISTS: DWORD = 80;
    pub const ERROR_INVALID_PARAMETER: DWORD = 87;
    pub const ERROR_BROKEN_PIPE: DWORD = 109;
    pub const ERROR_CALL_NOT_IMPLEMENTED: DWORD = 120;
    pub const ERROR_SEM_TIMEOUT: DWORD = 121;
    pub const ERROR_INSUFFICIENT_BUFFER: DWORD = 122;
    pub const ERROR_ALREADY_EXISTS: DWORD = 183;
    pub const ERROR_ENVVAR_NOT_FOUND: DWORD = 203;
    pub const ERROR_NO_DATA: DWORD = 232;
    pub const ERROR_DRIVER_CANCEL_TIMEOUT: DWORD = 594;
    pub const ERROR_OPERATION_ABORTED: DWORD = 995;
    pub const ERROR_IO_PENDING: DWORD = 997;
    pub const ERROR_SERVICE_REQUEST_TIMEOUT: DWORD = 1053;
    pub const ERROR_COUNTER_TIMEOUT: DWORD = 1121;
    pub const ERROR_TIMEOUT: DWORD = 1460;
    pub const ERROR_RESOURCE_CALL_TIMED_OUT: DWORD = 5910;
    pub const ERROR_CTX_MODEM_RESPONSE_TIMEOUT: DWORD = 7012;
    pub const ERROR_CTX_CLIENT_QUERY_TIMEOUT: DWORD = 7040;
    pub const FRS_ERR_SYSVOL_POPULATE_TIMEOUT: DWORD = 8014;
    pub const ERROR_DS_TIMELIMIT_EXCEEDED: DWORD = 8226;
    pub const DNS_ERROR_RECORD_TIMED_OUT: DWORD = 9705;
    pub const ERROR_IPSEC_IKE_TIMED_OUT: DWORD = 13805;
    pub const ERROR_RUNLEVEL_SWITCH_TIMEOUT: DWORD = 15402;
    pub const ERROR_RUNLEVEL_SWITCH_AGENT_TIMEOUT: DWORD = 15403;

    pub const E_NOTIMPL: HRESULT = 0x80004001u32 as HRESULT;

    pub const INVALID_HANDLE_VALUE: HANDLE = !0 as HANDLE;

    pub const FACILITY_NT_BIT: DWORD = 0x1000_0000;

    pub const FORMAT_MESSAGE_FROM_SYSTEM: DWORD = 0x00001000;
    pub const FORMAT_MESSAGE_FROM_HMODULE: DWORD = 0x00000800;
    pub const FORMAT_MESSAGE_IGNORE_INSERTS: DWORD = 0x00000200;

    pub const TLS_OUT_OF_INDEXES: DWORD = 0xFFFFFFFF;

    pub const DLL_THREAD_DETACH: DWORD = 3;
    pub const DLL_PROCESS_DETACH: DWORD = 0;

    pub const INFINITE: DWORD = !0;

    pub const DUPLICATE_SAME_ACCESS: DWORD = 0x00000002;

    pub const CONDITION_VARIABLE_INIT: CONDITION_VARIABLE = CONDITION_VARIABLE { ptr: ptr::null_mut() };
    pub const SRWLOCK_INIT: SRWLOCK = SRWLOCK { ptr: ptr::null_mut() };

    pub const DETACHED_PROCESS: DWORD = 0x00000008;
    pub const CREATE_NEW_PROCESS_GROUP: DWORD = 0x00000200;
    pub const CREATE_UNICODE_ENVIRONMENT: DWORD = 0x00000400;
    pub const STARTF_USESTDHANDLES: DWORD = 0x00000100;

    pub const AF_INET: c_int = 2;
    pub const AF_INET6: c_int = 23;
    pub const SD_BOTH: c_int = 2;
    pub const SD_RECEIVE: c_int = 0;
    pub const SD_SEND: c_int = 1;
    pub const SOCK_DGRAM: c_int = 2;
    pub const SOCK_STREAM: c_int = 1;
    pub const SOL_SOCKET: c_int = 0xffff;
    pub const SO_RCVTIMEO: c_int = 0x1006;
    pub const SO_SNDTIMEO: c_int = 0x1005;
    pub const IPPROTO_IP: c_int = 0;
    pub const IPPROTO_TCP: c_int = 6;
    pub const IPPROTO_IPV6: c_int = 41;
    pub const TCP_NODELAY: c_int = 0x0001;
    pub const IP_TTL: c_int = 4;
    pub const IPV6_V6ONLY: c_int = 27;
    pub const SO_ERROR: c_int = 0x1007;
    pub const SO_BROADCAST: c_int = 0x0020;
    pub const IP_MULTICAST_LOOP: c_int = 11;
    pub const IPV6_MULTICAST_LOOP: c_int = 11;
    pub const IP_MULTICAST_TTL: c_int = 10;
    pub const IP_ADD_MEMBERSHIP: c_int = 12;
    pub const IP_DROP_MEMBERSHIP: c_int = 13;
    pub const IPV6_ADD_MEMBERSHIP: c_int = 12;
    pub const IPV6_DROP_MEMBERSHIP: c_int = 13;
    pub const MSG_PEEK: c_int = 0x2;

    #[repr(C)]
    pub struct ip_mreq {
        pub imr_multiaddr: in_addr,
        pub imr_interface: in_addr,
    }

    #[repr(C)]
    pub struct ipv6_mreq {
        pub ipv6mr_multiaddr: in6_addr,
        pub ipv6mr_interface: c_uint,
    }

    pub const VOLUME_NAME_DOS: DWORD = 0x0;
    pub const MOVEFILE_REPLACE_EXISTING: DWORD = 1;

    pub const FILE_BEGIN: DWORD = 0;
    pub const FILE_CURRENT: DWORD = 1;
    pub const FILE_END: DWORD = 2;

    pub const WAIT_OBJECT_0: DWORD = 0x00000000;
    pub const WAIT_TIMEOUT: DWORD = 258;
    pub const WAIT_FAILED: DWORD = 0xFFFFFFFF;

    pub const PIPE_ACCESS_INBOUND: DWORD = 0x00000001;
    pub const PIPE_ACCESS_OUTBOUND: DWORD = 0x00000002;
    pub const FILE_FLAG_FIRST_PIPE_INSTANCE: DWORD = 0x00080000;
    pub const FILE_FLAG_OVERLAPPED: DWORD = 0x40000000;
    pub const PIPE_WAIT: DWORD = 0x00000000;
    pub const PIPE_TYPE_BYTE: DWORD = 0x00000000;
    pub const PIPE_REJECT_REMOTE_CLIENTS: DWORD = 0x00000008;
    pub const PIPE_READMODE_BYTE: DWORD = 0x00000000;

    pub const FD_SETSIZE: usize = 64;

    pub const STACK_SIZE_PARAM_IS_A_RESERVATION: DWORD = 0x00010000;

    pub const HEAP_ZERO_MEMORY: DWORD = 0x00000008;

    #[repr(C)]
    #[cfg(not(target_pointer_width = "64"))]
    pub struct WSADATA {
        pub wVersion: WORD,
        pub wHighVersion: WORD,
        pub szDescription: [u8; WSADESCRIPTION_LEN + 1],
        pub szSystemStatus: [u8; WSASYS_STATUS_LEN + 1],
        pub iMaxSockets: u16,
        pub iMaxUdpDg: u16,
        pub lpVendorInfo: *mut u8,
    }
    #[repr(C)]
    #[cfg(target_pointer_width = "64")]
    pub struct WSADATA {
        pub wVersion: WORD,
        pub wHighVersion: WORD,
        pub iMaxSockets: u16,
        pub iMaxUdpDg: u16,
        pub lpVendorInfo: *mut u8,
        pub szDescription: [u8; WSADESCRIPTION_LEN + 1],
        pub szSystemStatus: [u8; WSASYS_STATUS_LEN + 1],
    }

    #[derive(Copy, Clone)]
    #[repr(C)]
    pub struct WSABUF {
        pub len: ULONG,
        pub buf: *mut CHAR,
    }

    #[repr(C)]
    pub struct WSAPROTOCOL_INFO {
        pub dwServiceFlags1: DWORD,
        pub dwServiceFlags2: DWORD,
        pub dwServiceFlags3: DWORD,
        pub dwServiceFlags4: DWORD,
        pub dwProviderFlags: DWORD,
        pub ProviderId: GUID,
        pub dwCatalogEntryId: DWORD,
        pub ProtocolChain: WSAPROTOCOLCHAIN,
        pub iVersion: c_int,
        pub iAddressFamily: c_int,
        pub iMaxSockAddr: c_int,
        pub iMinSockAddr: c_int,
        pub iSocketType: c_int,
        pub iProtocol: c_int,
        pub iProtocolMaxOffset: c_int,
        pub iNetworkByteOrder: c_int,
        pub iSecurityScheme: c_int,
        pub dwMessageSize: DWORD,
        pub dwProviderReserved: DWORD,
        pub szProtocol: [u16; (WSAPROTOCOL_LEN as usize) + 1],
    }

    #[repr(C)]
    #[derive(Copy, Clone)]
    pub struct WIN32_FILE_ATTRIBUTE_DATA {
        pub dwFileAttributes: DWORD,
        pub ftCreationTime: FILETIME,
        pub ftLastAccessTime: FILETIME,
        pub ftLastWriteTime: FILETIME,
        pub nFileSizeHigh: DWORD,
        pub nFileSizeLow: DWORD,
    }

    #[repr(C)]
    #[allow(dead_code)] // we only use some variants
    pub enum FILE_INFO_BY_HANDLE_CLASS {
        FileBasicInfo = 0,
        FileStandardInfo = 1,
        FileNameInfo = 2,
        FileRenameInfo = 3,
        FileDispositionInfo = 4,
        FileAllocationInfo = 5,
        FileEndOfFileInfo = 6,
        FileStreamInfo = 7,
        FileCompressionInfo = 8,
        FileAttributeTagInfo = 9,
        FileIdBothDirectoryInfo = 10,        // 0xA
        FileIdBothDirectoryRestartInfo = 11, // 0xB
        FileIoPriorityHintInfo = 12,         // 0xC
        FileRemoteProtocolInfo = 13,         // 0xD
        FileFullDirectoryInfo = 14,          // 0xE
        FileFullDirectoryRestartInfo = 15,   // 0xF
        FileStorageInfo = 16,                // 0x10
        FileAlignmentInfo = 17,              // 0x11
        FileIdInfo = 18,                     // 0x12
        FileIdExtdDirectoryInfo = 19,        // 0x13
        FileIdExtdDirectoryRestartInfo = 20, // 0x14
        MaximumFileInfoByHandlesClass,
    }

    #[repr(C)]
    pub struct FILE_BASIC_INFO {
        pub CreationTime: LARGE_INTEGER,
        pub LastAccessTime: LARGE_INTEGER,
        pub LastWriteTime: LARGE_INTEGER,
        pub ChangeTime: LARGE_INTEGER,
        pub FileAttributes: DWORD,
    }

    #[repr(C)]
    pub struct FILE_END_OF_FILE_INFO {
        pub EndOfFile: LARGE_INTEGER,
    }

    #[repr(C)]
    pub struct REPARSE_DATA_BUFFER {
        pub ReparseTag: c_uint,
        pub ReparseDataLength: c_ushort,
        pub Reserved: c_ushort,
        pub rest: (),
    }

    #[repr(C)]
    pub struct SYMBOLIC_LINK_REPARSE_BUFFER {
        pub SubstituteNameOffset: c_ushort,
        pub SubstituteNameLength: c_ushort,
        pub PrintNameOffset: c_ushort,
        pub PrintNameLength: c_ushort,
        pub Flags: c_ulong,
        pub PathBuffer: WCHAR,
    }

    #[repr(C)]
    pub struct MOUNT_POINT_REPARSE_BUFFER {
        pub SubstituteNameOffset: c_ushort,
        pub SubstituteNameLength: c_ushort,
        pub PrintNameOffset: c_ushort,
        pub PrintNameLength: c_ushort,
        pub PathBuffer: WCHAR,
    }

    pub type LPPROGRESS_ROUTINE = crate::option::Option<
        unsafe extern "system" fn(
            TotalFileSize: LARGE_INTEGER,
            TotalBytesTransferred: LARGE_INTEGER,
            StreamSize: LARGE_INTEGER,
            StreamBytesTransferred: LARGE_INTEGER,
            dwStreamNumber: DWORD,
            dwCallbackReason: DWORD,
            hSourceFile: HANDLE,
            hDestinationFile: HANDLE,
            lpData: LPVOID,
        ) -> DWORD,
    >;

    #[repr(C)]
    pub struct CONDITION_VARIABLE {
        pub ptr: LPVOID,
    }
    #[repr(C)]
    pub struct SRWLOCK {
        pub ptr: LPVOID,
    }
    #[repr(C)]
    pub struct CRITICAL_SECTION {
        CriticalSectionDebug: LPVOID,
        LockCount: LONG,
        RecursionCount: LONG,
        OwningThread: HANDLE,
        LockSemaphore: HANDLE,
        SpinCount: ULONG_PTR,
    }

    #[repr(C)]
    pub struct REPARSE_MOUNTPOINT_DATA_BUFFER {
        pub ReparseTag: DWORD,
        pub ReparseDataLength: DWORD,
        pub Reserved: WORD,
        pub ReparseTargetLength: WORD,
        pub ReparseTargetMaximumLength: WORD,
        pub Reserved1: WORD,
        pub ReparseTarget: WCHAR,
    }

    #[repr(C)]
    pub struct GUID {
        pub Data1: DWORD,
        pub Data2: WORD,
        pub Data3: WORD,
        pub Data4: [BYTE; 8],
    }

    #[repr(C)]
    pub struct WSAPROTOCOLCHAIN {
        pub ChainLen: c_int,
        pub ChainEntries: [DWORD; MAX_PROTOCOL_CHAIN as usize],
    }

    #[repr(C)]
    pub struct SECURITY_ATTRIBUTES {
        pub nLength: DWORD,
        pub lpSecurityDescriptor: LPVOID,
        pub bInheritHandle: BOOL,
    }

    #[repr(C)]
    pub struct PROCESS_INFORMATION {
        pub hProcess: HANDLE,
        pub hThread: HANDLE,
        pub dwProcessId: DWORD,
        pub dwThreadId: DWORD,
    }

    #[repr(C)]
    pub struct STARTUPINFO {
        pub cb: DWORD,
        pub lpReserved: LPWSTR,
        pub lpDesktop: LPWSTR,
        pub lpTitle: LPWSTR,
        pub dwX: DWORD,
        pub dwY: DWORD,
        pub dwXSize: DWORD,
        pub dwYSize: DWORD,
        pub dwXCountChars: DWORD,
        pub dwYCountCharts: DWORD,
        pub dwFillAttribute: DWORD,
        pub dwFlags: DWORD,
        pub wShowWindow: WORD,
        pub cbReserved2: WORD,
        pub lpReserved2: LPBYTE,
        pub hStdInput: HANDLE,
        pub hStdOutput: HANDLE,
        pub hStdError: HANDLE,
    }

    #[repr(C)]
    pub struct SOCKADDR {
        pub sa_family: ADDRESS_FAMILY,
        pub sa_data: [CHAR; 14],
    }

    #[repr(C)]
    #[derive(Copy, Clone)]
    pub struct FILETIME {
        pub dwLowDateTime: DWORD,
        pub dwHighDateTime: DWORD,
    }

    #[repr(C)]
    pub struct OVERLAPPED {
        pub Internal: *mut c_ulong,
        pub InternalHigh: *mut c_ulong,
        pub Offset: DWORD,
        pub OffsetHigh: DWORD,
        pub hEvent: HANDLE,
    }

    #[repr(C)]
    #[allow(dead_code)] // we only use some variants
    pub enum ADDRESS_MODE {
        AddrMode1616,
        AddrMode1632,
        AddrModeReal,
        AddrModeFlat,
    }

    #[repr(C)]
    pub struct SOCKADDR_STORAGE_LH {
        pub ss_family: ADDRESS_FAMILY,
        pub __ss_pad1: [CHAR; 6],
        pub __ss_align: i64,
        pub __ss_pad2: [CHAR; 112],
    }

    #[repr(C)]
    pub struct ADDRINFOA {
        pub ai_flags: c_int,
        pub ai_family: c_int,
        pub ai_socktype: c_int,
        pub ai_protocol: c_int,
        pub ai_addrlen: size_t,
        pub ai_canonname: *mut c_char,
        pub ai_addr: *mut SOCKADDR,
        pub ai_next: *mut ADDRINFOA,
    }

    #[repr(C)]
    #[derive(Copy, Clone)]
    pub struct sockaddr_in {
        pub sin_family: ADDRESS_FAMILY,
        pub sin_port: USHORT,
        pub sin_addr: in_addr,
        pub sin_zero: [CHAR; 8],
    }

    #[repr(C)]
    #[derive(Copy, Clone)]
    pub struct sockaddr_in6 {
        pub sin6_family: ADDRESS_FAMILY,
        pub sin6_port: USHORT,
        pub sin6_flowinfo: c_ulong,
        pub sin6_addr: in6_addr,
        pub sin6_scope_id: c_ulong,
    }

    #[repr(C)]
    #[derive(Copy, Clone)]
    pub struct in_addr {
        pub s_addr: u32,
    }

    #[repr(C)]
    #[derive(Copy, Clone)]
    pub struct in6_addr {
        pub s6_addr: [u8; 16],
    }

    #[repr(C)]
    #[derive(Copy, Clone)]
    #[allow(dead_code)] // we only use some variants
    pub enum EXCEPTION_DISPOSITION {
        ExceptionContinueExecution,
        ExceptionContinueSearch,
        ExceptionNestedException,
        ExceptionCollidedUnwind,
    }

    #[repr(C)]
    #[derive(Copy)]
    pub struct fd_set {
        pub fd_count: c_uint,
        pub fd_array: [SOCKET; FD_SETSIZE],
    }

    impl Clone for fd_set {
        fn clone(&self) -> fd_set {
            *self
        }
    }

    #[repr(C)]
    #[derive(Copy, Clone)]
    pub struct timeval {
        pub tv_sec: c_long,
        pub tv_usec: c_long,
    }

    // Functions forbidden when targeting UWP
    cfg_if::cfg_if! {
    if #[cfg(not(target_vendor = "uwp"))] {
        pub const EXCEPTION_CONTINUE_SEARCH: LONG = 0;
        pub const EXCEPTION_STACK_OVERFLOW: DWORD = 0xc00000fd;
        pub const EXCEPTION_MAXIMUM_PARAMETERS: usize = 15;

        #[repr(C)]
        pub struct EXCEPTION_RECORD {
            pub ExceptionCode: DWORD,
            pub ExceptionFlags: DWORD,
            pub ExceptionRecord: *mut EXCEPTION_RECORD,
            pub ExceptionAddress: LPVOID,
            pub NumberParameters: DWORD,
            pub ExceptionInformation: [LPVOID; EXCEPTION_MAXIMUM_PARAMETERS]
        }

        pub enum CONTEXT {}

        #[repr(C)]
        pub struct EXCEPTION_POINTERS {
            pub ExceptionRecord: *mut EXCEPTION_RECORD,
            pub ContextRecord: *mut CONTEXT,
        }

        pub type PVECTORED_EXCEPTION_HANDLER = extern "system"
                fn(ExceptionInfo: *mut EXCEPTION_POINTERS) -> LONG;

        #[repr(C)]
        #[derive(Copy, Clone)]
        pub struct CONSOLE_READCONSOLE_CONTROL {
            pub nLength: ULONG,
            pub nInitialChars: ULONG,
            pub dwCtrlWakeupMask: ULONG,
            pub dwControlKeyState: ULONG,
        }

        pub type PCONSOLE_READCONSOLE_CONTROL = *mut CONSOLE_READCONSOLE_CONTROL;

        #[repr(C)]
        pub struct BY_HANDLE_FILE_INFORMATION {
            pub dwFileAttributes: DWORD,
            pub ftCreationTime: FILETIME,
            pub ftLastAccessTime: FILETIME,
            pub ftLastWriteTime: FILETIME,
            pub dwVolumeSerialNumber: DWORD,
            pub nFileSizeHigh: DWORD,
            pub nFileSizeLow: DWORD,
            pub nNumberOfLinks: DWORD,
            pub nFileIndexHigh: DWORD,
            pub nFileIndexLow: DWORD,
        }

        pub type LPBY_HANDLE_FILE_INFORMATION = *mut BY_HANDLE_FILE_INFORMATION;
        pub type LPCVOID = *const c_void;

        pub const HANDLE_FLAG_INHERIT: DWORD = 0x00000001;

        pub const TOKEN_READ: DWORD = 0x20008;

        extern "system" {
            #[link_name = "SystemFunction036"]
            pub fn RtlGenRandom(RandomBuffer: *mut u8, RandomBufferLength: ULONG) -> BOOLEAN;

            pub fn ReadConsoleW(hConsoleInput: HANDLE,
                                lpBuffer: LPVOID,
                                nNumberOfCharsToRead: DWORD,
                                lpNumberOfCharsRead: LPDWORD,
                                pInputControl: PCONSOLE_READCONSOLE_CONTROL) -> BOOL;

            pub fn WriteConsoleW(hConsoleOutput: HANDLE,
                                 lpBuffer: LPCVOID,
                                 nNumberOfCharsToWrite: DWORD,
                                 lpNumberOfCharsWritten: LPDWORD,
                                 lpReserved: LPVOID) -> BOOL;

            pub fn GetConsoleMode(hConsoleHandle: HANDLE,
                                  lpMode: LPDWORD) -> BOOL;
            // Allowed but unused by UWP
            pub fn OpenProcessToken(ProcessHandle: HANDLE,
                                    DesiredAccess: DWORD,
                                    TokenHandle: *mut HANDLE) -> BOOL;
            pub fn GetUserProfileDirectoryW(hToken: HANDLE,
                                            lpProfileDir: LPWSTR,
                                            lpcchSize: *mut DWORD) -> BOOL;
            pub fn GetFileInformationByHandle(hFile: HANDLE,
                                lpFileInformation: LPBY_HANDLE_FILE_INFORMATION)
                                -> BOOL;
            pub fn SetHandleInformation(hObject: HANDLE,
                                        dwMask: DWORD,
                                        dwFlags: DWORD) -> BOOL;
            pub fn AddVectoredExceptionHandler(FirstHandler: ULONG,
                                               VectoredHandler: PVECTORED_EXCEPTION_HANDLER)
                                               -> LPVOID;
            pub fn CreateHardLinkW(lpSymlinkFileName: LPCWSTR,
                                   lpTargetFileName: LPCWSTR,
                                   lpSecurityAttributes: LPSECURITY_ATTRIBUTES)
                                   -> BOOL;
        }
    }
    }

    // UWP specific functions & types
    cfg_if::cfg_if! {
    if #[cfg(target_vendor = "uwp")] {
        pub const BCRYPT_USE_SYSTEM_PREFERRED_RNG: DWORD = 0x00000002;

        #[repr(C)]
        pub struct FILE_STANDARD_INFO {
            pub AllocationSize: LARGE_INTEGER,
            pub EndOfFile: LARGE_INTEGER,
            pub NumberOfLinks: DWORD,
            pub DeletePending: BOOLEAN,
            pub Directory: BOOLEAN,
        }

        extern "system" {
            pub fn GetFileInformationByHandleEx(hFile: HANDLE,
                                                fileInfoClass: FILE_INFO_BY_HANDLE_CLASS,
                                                lpFileInformation: LPVOID,
                                                dwBufferSize: DWORD) -> BOOL;
            pub fn BCryptGenRandom(hAlgorithm: LPVOID, pBuffer: *mut u8,
                                   cbBuffer: ULONG, dwFlags: ULONG) -> LONG;
        }
    }
    }

    // Shared between Desktop & UWP
    extern "system" {
        pub fn WSAStartup(wVersionRequested: WORD, lpWSAData: LPWSADATA) -> c_int;
        pub fn WSACleanup() -> c_int;
        pub fn WSAGetLastError() -> c_int;
        pub fn WSADuplicateSocketW(
            s: SOCKET,
            dwProcessId: DWORD,
            lpProtocolInfo: LPWSAPROTOCOL_INFO,
        ) -> c_int;
        pub fn WSASend(
            s: SOCKET,
            lpBuffers: LPWSABUF,
            dwBufferCount: DWORD,
            lpNumberOfBytesSent: LPDWORD,
            dwFlags: DWORD,
            lpOverlapped: LPWSAOVERLAPPED,
            lpCompletionRoutine: LPWSAOVERLAPPED_COMPLETION_ROUTINE,
        ) -> c_int;
        pub fn WSARecv(
            s: SOCKET,
            lpBuffers: LPWSABUF,
            dwBufferCount: DWORD,
            lpNumberOfBytesRecvd: LPDWORD,
            lpFlags: LPDWORD,
            lpOverlapped: LPWSAOVERLAPPED,
            lpCompletionRoutine: LPWSAOVERLAPPED_COMPLETION_ROUTINE,
        ) -> c_int;
        pub fn GetCurrentProcessId() -> DWORD;
        pub fn WSASocketW(
            af: c_int,
            kind: c_int,
            protocol: c_int,
            lpProtocolInfo: LPWSAPROTOCOL_INFO,
            g: GROUP,
            dwFlags: DWORD,
        ) -> SOCKET;
        pub fn ioctlsocket(s: SOCKET, cmd: c_long, argp: *mut c_ulong) -> c_int;
        pub fn InitializeCriticalSection(CriticalSection: *mut CRITICAL_SECTION);
        pub fn EnterCriticalSection(CriticalSection: *mut CRITICAL_SECTION);
        pub fn TryEnterCriticalSection(CriticalSection: *mut CRITICAL_SECTION) -> BOOL;
        pub fn LeaveCriticalSection(CriticalSection: *mut CRITICAL_SECTION);
        pub fn DeleteCriticalSection(CriticalSection: *mut CRITICAL_SECTION);

        pub fn RemoveDirectoryW(lpPathName: LPCWSTR) -> BOOL;
        pub fn SetFileAttributesW(lpFileName: LPCWSTR, dwFileAttributes: DWORD) -> BOOL;
        pub fn SetLastError(dwErrCode: DWORD);
        pub fn GetCommandLineW() -> *mut LPCWSTR;
        pub fn GetTempPathW(nBufferLength: DWORD, lpBuffer: LPCWSTR) -> DWORD;
        pub fn GetCurrentProcess() -> HANDLE;
        pub fn GetCurrentThread() -> HANDLE;
        pub fn GetStdHandle(which: DWORD) -> HANDLE;
        pub fn ExitProcess(uExitCode: c_uint) -> !;
        pub fn DeviceIoControl(
            hDevice: HANDLE,
            dwIoControlCode: DWORD,
            lpInBuffer: LPVOID,
            nInBufferSize: DWORD,
            lpOutBuffer: LPVOID,
            nOutBufferSize: DWORD,
            lpBytesReturned: LPDWORD,
            lpOverlapped: LPOVERLAPPED,
        ) -> BOOL;
        pub fn CreateThread(
            lpThreadAttributes: LPSECURITY_ATTRIBUTES,
            dwStackSize: SIZE_T,
            lpStartAddress: extern "system" fn(*mut c_void) -> DWORD,
            lpParameter: LPVOID,
            dwCreationFlags: DWORD,
            lpThreadId: LPDWORD,
        ) -> HANDLE;
        pub fn WaitForSingleObject(hHandle: HANDLE, dwMilliseconds: DWORD) -> DWORD;
        pub fn SwitchToThread() -> BOOL;
        pub fn Sleep(dwMilliseconds: DWORD);
        pub fn GetProcessId(handle: HANDLE) -> DWORD;
        pub fn CopyFileExW(
            lpExistingFileName: LPCWSTR,
            lpNewFileName: LPCWSTR,
            lpProgressRoutine: LPPROGRESS_ROUTINE,
            lpData: LPVOID,
            pbCancel: LPBOOL,
            dwCopyFlags: DWORD,
        ) -> BOOL;
        pub fn FormatMessageW(
            flags: DWORD,
            lpSrc: LPVOID,
            msgId: DWORD,
            langId: DWORD,
            buf: LPWSTR,
            nsize: DWORD,
            args: *const c_void,
        ) -> DWORD;
        pub fn TlsAlloc() -> DWORD;
        pub fn TlsGetValue(dwTlsIndex: DWORD) -> LPVOID;
        pub fn TlsSetValue(dwTlsIndex: DWORD, lpTlsvalue: LPVOID) -> BOOL;
        pub fn GetLastError() -> DWORD;
        pub fn QueryPerformanceFrequency(lpFrequency: *mut LARGE_INTEGER) -> BOOL;
        pub fn QueryPerformanceCounter(lpPerformanceCount: *mut LARGE_INTEGER) -> BOOL;
        pub fn GetExitCodeProcess(hProcess: HANDLE, lpExitCode: LPDWORD) -> BOOL;
        pub fn TerminateProcess(hProcess: HANDLE, uExitCode: UINT) -> BOOL;
        pub fn CreateProcessW(
            lpApplicationName: LPCWSTR,
            lpCommandLine: LPWSTR,
            lpProcessAttributes: LPSECURITY_ATTRIBUTES,
            lpThreadAttributes: LPSECURITY_ATTRIBUTES,
            bInheritHandles: BOOL,
            dwCreationFlags: DWORD,
            lpEnvironment: LPVOID,
            lpCurrentDirectory: LPCWSTR,
            lpStartupInfo: LPSTARTUPINFO,
            lpProcessInformation: LPPROCESS_INFORMATION,
        ) -> BOOL;
        pub fn GetEnvironmentVariableW(n: LPCWSTR, v: LPWSTR, nsize: DWORD) -> DWORD;
        pub fn SetEnvironmentVariableW(n: LPCWSTR, v: LPCWSTR) -> BOOL;
        pub fn GetEnvironmentStringsW() -> LPWCH;
        pub fn FreeEnvironmentStringsW(env_ptr: LPWCH) -> BOOL;
        pub fn GetModuleFileNameW(hModule: HMODULE, lpFilename: LPWSTR, nSize: DWORD) -> DWORD;
        pub fn CreateDirectoryW(
            lpPathName: LPCWSTR,
            lpSecurityAttributes: LPSECURITY_ATTRIBUTES,
        ) -> BOOL;
        pub fn DeleteFileW(lpPathName: LPCWSTR) -> BOOL;
        pub fn GetCurrentDirectoryW(nBufferLength: DWORD, lpBuffer: LPWSTR) -> DWORD;
        pub fn SetCurrentDirectoryW(lpPathName: LPCWSTR) -> BOOL;
        pub fn WideCharToMultiByte(
            CodePage: UINT,
            dwFlags: DWORD,
            lpWideCharStr: LPCWSTR,
            cchWideChar: c_int,
            lpMultiByteStr: LPSTR,
            cbMultiByte: c_int,
            lpDefaultChar: LPCSTR,
            lpUsedDefaultChar: LPBOOL,
        ) -> c_int;

        pub fn closesocket(socket: SOCKET) -> c_int;
        pub fn recv(socket: SOCKET, buf: *mut c_void, len: c_int, flags: c_int) -> c_int;
        pub fn send(socket: SOCKET, buf: *const c_void, len: c_int, flags: c_int) -> c_int;
        pub fn recvfrom(
            socket: SOCKET,
            buf: *mut c_void,
            len: c_int,
            flags: c_int,
            addr: *mut SOCKADDR,
            addrlen: *mut c_int,
        ) -> c_int;
        pub fn sendto(
            socket: SOCKET,
            buf: *const c_void,
            len: c_int,
            flags: c_int,
            addr: *const SOCKADDR,
            addrlen: c_int,
        ) -> c_int;
        pub fn shutdown(socket: SOCKET, how: c_int) -> c_int;
        pub fn accept(socket: SOCKET, address: *mut SOCKADDR, address_len: *mut c_int) -> SOCKET;
        pub fn DuplicateHandle(
            hSourceProcessHandle: HANDLE,
            hSourceHandle: HANDLE,
            hTargetProcessHandle: HANDLE,
            lpTargetHandle: LPHANDLE,
            dwDesiredAccess: DWORD,
            bInheritHandle: BOOL,
            dwOptions: DWORD,
        ) -> BOOL;
        pub fn ReadFile(
            hFile: HANDLE,
            lpBuffer: LPVOID,
            nNumberOfBytesToRead: DWORD,
            lpNumberOfBytesRead: LPDWORD,
            lpOverlapped: LPOVERLAPPED,
        ) -> BOOL;
        pub fn WriteFile(
            hFile: HANDLE,
            lpBuffer: LPVOID,
            nNumberOfBytesToWrite: DWORD,
            lpNumberOfBytesWritten: LPDWORD,
            lpOverlapped: LPOVERLAPPED,
        ) -> BOOL;
        pub fn CloseHandle(hObject: HANDLE) -> BOOL;
        pub fn MoveFileExW(lpExistingFileName: LPCWSTR, lpNewFileName: LPCWSTR, dwFlags: DWORD)
        -> BOOL;
        pub fn SetFilePointerEx(
            hFile: HANDLE,
            liDistanceToMove: LARGE_INTEGER,
            lpNewFilePointer: PLARGE_INTEGER,
            dwMoveMethod: DWORD,
        ) -> BOOL;
        pub fn FlushFileBuffers(hFile: HANDLE) -> BOOL;
        pub fn CreateFileW(
            lpFileName: LPCWSTR,
            dwDesiredAccess: DWORD,
            dwShareMode: DWORD,
            lpSecurityAttributes: LPSECURITY_ATTRIBUTES,
            dwCreationDisposition: DWORD,
            dwFlagsAndAttributes: DWORD,
            hTemplateFile: HANDLE,
        ) -> HANDLE;

        pub fn FindFirstFileW(fileName: LPCWSTR, findFileData: LPWIN32_FIND_DATAW) -> HANDLE;
        pub fn FindNextFileW(findFile: HANDLE, findFileData: LPWIN32_FIND_DATAW) -> BOOL;
        pub fn FindClose(findFile: HANDLE) -> BOOL;
        pub fn getsockopt(
            s: SOCKET,
            level: c_int,
            optname: c_int,
            optval: *mut c_char,
            optlen: *mut c_int,
        ) -> c_int;
        pub fn setsockopt(
            s: SOCKET,
            level: c_int,
            optname: c_int,
            optval: *const c_void,
            optlen: c_int,
        ) -> c_int;
        pub fn getsockname(socket: SOCKET, address: *mut SOCKADDR, address_len: *mut c_int) -> c_int;
        pub fn getpeername(socket: SOCKET, address: *mut SOCKADDR, address_len: *mut c_int) -> c_int;
        pub fn bind(socket: SOCKET, address: *const SOCKADDR, address_len: socklen_t) -> c_int;
        pub fn listen(socket: SOCKET, backlog: c_int) -> c_int;
        pub fn connect(socket: SOCKET, address: *const SOCKADDR, len: c_int) -> c_int;
        pub fn getaddrinfo(
            node: *const c_char,
            service: *const c_char,
            hints: *const ADDRINFOA,
            res: *mut *mut ADDRINFOA,
        ) -> c_int;
        pub fn freeaddrinfo(res: *mut ADDRINFOA);

        pub fn GetProcAddress(handle: HMODULE, name: LPCSTR) -> *mut c_void;
        pub fn GetModuleHandleW(lpModuleName: LPCWSTR) -> HMODULE;

        pub fn GetSystemTimeAsFileTime(lpSystemTimeAsFileTime: LPFILETIME);

        pub fn CreateEventW(
            lpEventAttributes: LPSECURITY_ATTRIBUTES,
            bManualReset: BOOL,
            bInitialState: BOOL,
            lpName: LPCWSTR,
        ) -> HANDLE;
        pub fn WaitForMultipleObjects(
            nCount: DWORD,
            lpHandles: *const HANDLE,
            bWaitAll: BOOL,
            dwMilliseconds: DWORD,
        ) -> DWORD;
        pub fn CreateNamedPipeW(
            lpName: LPCWSTR,
            dwOpenMode: DWORD,
            dwPipeMode: DWORD,
            nMaxInstances: DWORD,
            nOutBufferSize: DWORD,
            nInBufferSize: DWORD,
            nDefaultTimeOut: DWORD,
            lpSecurityAttributes: LPSECURITY_ATTRIBUTES,
        ) -> HANDLE;
        pub fn CancelIo(handle: HANDLE) -> BOOL;
        pub fn GetOverlappedResult(
            hFile: HANDLE,
            lpOverlapped: LPOVERLAPPED,
            lpNumberOfBytesTransferred: LPDWORD,
            bWait: BOOL,
        ) -> BOOL;
        pub fn select(
            nfds: c_int,
            readfds: *mut fd_set,
            writefds: *mut fd_set,
            exceptfds: *mut fd_set,
            timeout: *const timeval,
        ) -> c_int;

        pub fn GetProcessHeap() -> HANDLE;
        pub fn HeapAlloc(hHeap: HANDLE, dwFlags: DWORD, dwBytes: SIZE_T) -> LPVOID;
        pub fn HeapReAlloc(hHeap: HANDLE, dwFlags: DWORD, lpMem: LPVOID, dwBytes: SIZE_T) -> LPVOID;
        pub fn HeapFree(hHeap: HANDLE, dwFlags: DWORD, lpMem: LPVOID) -> BOOL;
    }

    // Functions that aren't available on every version of Windows that we support,
    // but we still use them and just provide some form of a fallback implementation.
    compat_fn! {
        "kernel32":

        pub fn CreateSymbolicLinkW(_lpSymlinkFileName: LPCWSTR,
                                   _lpTargetFileName: LPCWSTR,
                                   _dwFlags: DWORD) -> BOOLEAN {
            SetLastError(ERROR_CALL_NOT_IMPLEMENTED as DWORD); 0
        }
        pub fn GetFinalPathNameByHandleW(_hFile: HANDLE,
                                         _lpszFilePath: LPCWSTR,
                                         _cchFilePath: DWORD,
                                         _dwFlags: DWORD) -> DWORD {
            SetLastError(ERROR_CALL_NOT_IMPLEMENTED as DWORD); 0
        }
        #[cfg(not(target_vendor = "uwp"))]
        pub fn SetThreadStackGuarantee(_size: *mut c_ulong) -> BOOL {
            SetLastError(ERROR_CALL_NOT_IMPLEMENTED as DWORD); 0
        }
        pub fn SetThreadDescription(hThread: HANDLE,
                                    lpThreadDescription: LPCWSTR) -> HRESULT {
            SetLastError(ERROR_CALL_NOT_IMPLEMENTED as DWORD); E_NOTIMPL
        }
        pub fn SetFileInformationByHandle(_hFile: HANDLE,
                        _FileInformationClass: FILE_INFO_BY_HANDLE_CLASS,
                        _lpFileInformation: LPVOID,
                        _dwBufferSize: DWORD) -> BOOL {
            SetLastError(ERROR_CALL_NOT_IMPLEMENTED as DWORD); 0
        }
        pub fn GetSystemTimePreciseAsFileTime(lpSystemTimeAsFileTime: LPFILETIME)
                                              -> () {
            GetSystemTimeAsFileTime(lpSystemTimeAsFileTime)
        }
        pub fn SleepConditionVariableSRW(ConditionVariable: PCONDITION_VARIABLE,
                                         SRWLock: PSRWLOCK,
                                         dwMilliseconds: DWORD,
                                         Flags: ULONG) -> BOOL {
            panic!("condition variables not available")
        }
        pub fn WakeConditionVariable(ConditionVariable: PCONDITION_VARIABLE)
                                     -> () {
            panic!("condition variables not available")
        }
        pub fn WakeAllConditionVariable(ConditionVariable: PCONDITION_VARIABLE)
                                        -> () {
            panic!("condition variables not available")
        }
        pub fn AcquireSRWLockExclusive(SRWLock: PSRWLOCK) -> () {
            panic!("rwlocks not available")
        }
        pub fn AcquireSRWLockShared(SRWLock: PSRWLOCK) -> () {
            panic!("rwlocks not available")
        }
        pub fn ReleaseSRWLockExclusive(SRWLock: PSRWLOCK) -> () {
            panic!("rwlocks not available")
        }
        pub fn ReleaseSRWLockShared(SRWLock: PSRWLOCK) -> () {
            panic!("rwlocks not available")
        }
        pub fn TryAcquireSRWLockExclusive(SRWLock: PSRWLOCK) -> BOOLEAN {
            panic!("rwlocks not available")
        }
        pub fn TryAcquireSRWLockShared(SRWLock: PSRWLOCK) -> BOOLEAN {
            panic!("rwlocks not available")
        }
    }