mirror of
https://github.com/apple/swift.git
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441 lines
12 KiB
Swift
441 lines
12 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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import SwiftShims
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import SwiftOverlayShims
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#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
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//===----------------------------------------------------------------------===//
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// MacTypes.h
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//===----------------------------------------------------------------------===//
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public var noErr: OSStatus { return 0 }
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/// The `Boolean` type declared in MacTypes.h and used throughout Core
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/// Foundation.
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///
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/// The C type is a typedef for `unsigned char`.
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@frozen
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public struct DarwinBoolean : ExpressibleByBooleanLiteral {
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@usableFromInline var _value: UInt8
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@_transparent
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public init(_ value: Bool) {
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self._value = value ? 1 : 0
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}
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/// The value of `self`, expressed as a `Bool`.
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@_transparent
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public var boolValue: Bool {
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return _value != 0
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}
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/// Create an instance initialized to `value`.
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@_transparent
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public init(booleanLiteral value: Bool) {
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self.init(value)
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}
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}
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#if SWIFT_ENABLE_REFLECTION
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extension DarwinBoolean : CustomReflectable {
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/// Returns a mirror that reflects `self`.
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public var customMirror: Mirror {
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return Mirror(reflecting: boolValue)
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}
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}
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#endif
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extension DarwinBoolean : CustomStringConvertible {
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/// A textual representation of `self`.
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public var description: String {
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return self.boolValue.description
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}
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}
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extension DarwinBoolean : Equatable {
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@_transparent
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public static func ==(lhs: DarwinBoolean, rhs: DarwinBoolean) -> Bool {
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return lhs.boolValue == rhs.boolValue
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}
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}
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@_transparent
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public // COMPILER_INTRINSIC
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func _convertBoolToDarwinBoolean(_ x: Bool) -> DarwinBoolean {
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return DarwinBoolean(x)
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}
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@_transparent
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public // COMPILER_INTRINSIC
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func _convertDarwinBooleanToBool(_ x: DarwinBoolean) -> Bool {
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return x.boolValue
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}
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#endif
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//===----------------------------------------------------------------------===//
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// sys/errno.h
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//===----------------------------------------------------------------------===//
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public var errno : Int32 {
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get {
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return _swift_stdlib_getErrno()
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}
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set(val) {
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return _swift_stdlib_setErrno(val)
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}
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}
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//===----------------------------------------------------------------------===//
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// stdio.h
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//===----------------------------------------------------------------------===//
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#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS) || os(FreeBSD) || os(PS4)
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public var stdin : UnsafeMutablePointer<FILE> {
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get {
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return __stdinp
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}
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set {
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__stdinp = newValue
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}
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}
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public var stdout : UnsafeMutablePointer<FILE> {
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get {
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return __stdoutp
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}
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set {
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__stdoutp = newValue
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}
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}
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public var stderr : UnsafeMutablePointer<FILE> {
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get {
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return __stderrp
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}
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set {
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__stderrp = newValue
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}
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}
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public func dprintf(_ fd: Int, _ format: UnsafePointer<Int8>, _ args: CVarArg...) -> Int32 {
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return withVaList(args) { va_args in
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vdprintf(Int32(fd), format, va_args)
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}
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}
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public func snprintf(ptr: UnsafeMutablePointer<Int8>, _ len: Int, _ format: UnsafePointer<Int8>, _ args: CVarArg...) -> Int32 {
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return withVaList(args) { va_args in
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return vsnprintf(ptr, len, format, va_args)
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}
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}
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#elseif os(OpenBSD)
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public var stdin: UnsafeMutablePointer<FILE> { return _swift_stdlib_stdin() }
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public var stdout: UnsafeMutablePointer<FILE> { return _swift_stdlib_stdout() }
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public var stderr: UnsafeMutablePointer<FILE> { return _swift_stdlib_stderr() }
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#elseif os(Windows)
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public var stdin: UnsafeMutablePointer<FILE> { return __acrt_iob_func(0) }
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public var stdout: UnsafeMutablePointer<FILE> { return __acrt_iob_func(1) }
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public var stderr: UnsafeMutablePointer<FILE> { return __acrt_iob_func(2) }
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public var STDIN_FILENO: Int32 { return _fileno(stdin) }
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public var STDOUT_FILENO: Int32 { return _fileno(stdout) }
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public var STDERR_FILENO: Int32 { return _fileno(stderr) }
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#endif
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//===----------------------------------------------------------------------===//
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// fcntl.h
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//===----------------------------------------------------------------------===//
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public func open(
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_ path: UnsafePointer<CChar>,
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_ oflag: Int32
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) -> Int32 {
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return _swift_stdlib_open(path, oflag, 0)
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}
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#if os(Windows)
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public func open(
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_ path: UnsafePointer<CChar>,
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_ oflag: Int32,
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_ mode: Int32
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) -> Int32 {
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return _swift_stdlib_open(path, oflag, mode)
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}
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#else
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public func open(
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_ path: UnsafePointer<CChar>,
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_ oflag: Int32,
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_ mode: mode_t
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) -> Int32 {
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return _swift_stdlib_open(path, oflag, mode)
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}
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public func openat(
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_ fd: Int32,
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_ path: UnsafePointer<CChar>,
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_ oflag: Int32
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) -> Int32 {
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return _swift_stdlib_openat(fd, path, oflag, 0)
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}
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public func openat(
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_ fd: Int32,
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_ path: UnsafePointer<CChar>,
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_ oflag: Int32,
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_ mode: mode_t
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) -> Int32 {
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return _swift_stdlib_openat(fd, path, oflag, mode)
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}
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public func fcntl(
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_ fd: Int32,
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_ cmd: Int32
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) -> Int32 {
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return _swift_stdlib_fcntl(fd, cmd, 0)
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}
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public func fcntl(
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_ fd: Int32,
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_ cmd: Int32,
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_ value: Int32
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) -> Int32 {
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return _swift_stdlib_fcntl(fd, cmd, value)
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}
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public func fcntl(
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_ fd: Int32,
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_ cmd: Int32,
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_ ptr: UnsafeMutableRawPointer
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) -> Int32 {
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return _swift_stdlib_fcntlPtr(fd, cmd, ptr)
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}
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// !os(Windows)
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#endif
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#if os(Windows)
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public var S_IFMT: Int32 { return Int32(0xf000) }
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public var S_IFREG: Int32 { return Int32(0x8000) }
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public var S_IFDIR: Int32 { return Int32(0x4000) }
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public var S_IFCHR: Int32 { return Int32(0x2000) }
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public var S_IFIFO: Int32 { return Int32(0x1000) }
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public var S_IREAD: Int32 { return Int32(0x0100) }
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public var S_IWRITE: Int32 { return Int32(0x0080) }
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public var S_IEXEC: Int32 { return Int32(0x0040) }
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#else
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public var S_IFMT: mode_t { return mode_t(0o170000) }
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public var S_IFIFO: mode_t { return mode_t(0o010000) }
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public var S_IFCHR: mode_t { return mode_t(0o020000) }
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public var S_IFDIR: mode_t { return mode_t(0o040000) }
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public var S_IFBLK: mode_t { return mode_t(0o060000) }
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public var S_IFREG: mode_t { return mode_t(0o100000) }
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public var S_IFLNK: mode_t { return mode_t(0o120000) }
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public var S_IFSOCK: mode_t { return mode_t(0o140000) }
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#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
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public var S_IFWHT: mode_t { return mode_t(0o160000) }
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#endif
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public var S_IRWXU: mode_t { return mode_t(0o000700) }
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public var S_IRUSR: mode_t { return mode_t(0o000400) }
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public var S_IWUSR: mode_t { return mode_t(0o000200) }
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public var S_IXUSR: mode_t { return mode_t(0o000100) }
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public var S_IRWXG: mode_t { return mode_t(0o000070) }
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public var S_IRGRP: mode_t { return mode_t(0o000040) }
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public var S_IWGRP: mode_t { return mode_t(0o000020) }
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public var S_IXGRP: mode_t { return mode_t(0o000010) }
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public var S_IRWXO: mode_t { return mode_t(0o000007) }
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public var S_IROTH: mode_t { return mode_t(0o000004) }
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public var S_IWOTH: mode_t { return mode_t(0o000002) }
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public var S_IXOTH: mode_t { return mode_t(0o000001) }
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public var S_ISUID: mode_t { return mode_t(0o004000) }
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public var S_ISGID: mode_t { return mode_t(0o002000) }
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public var S_ISVTX: mode_t { return mode_t(0o001000) }
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#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
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public var S_ISTXT: mode_t { return S_ISVTX }
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public var S_IREAD: mode_t { return S_IRUSR }
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public var S_IWRITE: mode_t { return S_IWUSR }
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public var S_IEXEC: mode_t { return S_IXUSR }
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#endif
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#endif
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//===----------------------------------------------------------------------===//
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// ioctl.h
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//===----------------------------------------------------------------------===//
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#if !os(Windows)
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public func ioctl(
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_ fd: CInt,
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_ request: UInt,
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_ value: CInt
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) -> CInt {
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return _swift_stdlib_ioctl(fd, request, value)
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}
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public func ioctl(
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_ fd: CInt,
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_ request: UInt,
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_ ptr: UnsafeMutableRawPointer
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) -> CInt {
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return _swift_stdlib_ioctlPtr(fd, request, ptr)
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}
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public func ioctl(
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_ fd: CInt,
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_ request: UInt
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) -> CInt {
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return _swift_stdlib_ioctl(fd, request, 0)
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}
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// !os(Windows)
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#endif
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//===----------------------------------------------------------------------===//
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// unistd.h
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//===----------------------------------------------------------------------===//
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#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
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@available(*, unavailable, message: "Please use threads or posix_spawn*()")
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public func fork() -> Int32 {
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fatalError("unavailable function can't be called")
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}
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@available(*, unavailable, message: "Please use threads or posix_spawn*()")
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public func vfork() -> Int32 {
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fatalError("unavailable function can't be called")
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}
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#endif
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//===----------------------------------------------------------------------===//
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// signal.h
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//===----------------------------------------------------------------------===//
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#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
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public var SIG_DFL: sig_t? { return nil }
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public var SIG_IGN: sig_t { return unsafeBitCast(1, to: sig_t.self) }
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public var SIG_ERR: sig_t { return unsafeBitCast(-1, to: sig_t.self) }
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public var SIG_HOLD: sig_t { return unsafeBitCast(5, to: sig_t.self) }
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#elseif os(OpenBSD)
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public var SIG_DFL: sig_t? { return nil }
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public var SIG_IGN: sig_t { return unsafeBitCast(1, to: sig_t.self) }
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public var SIG_ERR: sig_t { return unsafeBitCast(-1, to: sig_t.self) }
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public var SIG_HOLD: sig_t { return unsafeBitCast(3, to: sig_t.self) }
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#elseif os(Linux) || os(FreeBSD) || os(PS4) || os(Android) || os(Haiku)
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public typealias sighandler_t = __sighandler_t
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public var SIG_DFL: sighandler_t? { return nil }
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public var SIG_IGN: sighandler_t {
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return unsafeBitCast(1, to: sighandler_t.self)
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}
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public var SIG_ERR: sighandler_t {
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return unsafeBitCast(-1, to: sighandler_t.self)
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}
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public var SIG_HOLD: sighandler_t {
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return unsafeBitCast(2, to: sighandler_t.self)
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}
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#elseif os(Cygwin)
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public typealias sighandler_t = _sig_func_ptr
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public var SIG_DFL: sighandler_t? { return nil }
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public var SIG_IGN: sighandler_t {
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return unsafeBitCast(1, to: sighandler_t.self)
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}
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public var SIG_ERR: sighandler_t {
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return unsafeBitCast(-1, to: sighandler_t.self)
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}
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public var SIG_HOLD: sighandler_t {
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return unsafeBitCast(2, to: sighandler_t.self)
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}
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#elseif os(Windows)
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public var SIG_DFL: _crt_signal_t? { return nil }
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public var SIG_IGN: _crt_signal_t {
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return unsafeBitCast(1, to: _crt_signal_t.self)
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}
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public var SIG_ERR: _crt_signal_t {
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return unsafeBitCast(-1, to: _crt_signal_t.self)
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}
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#elseif os(WASI)
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// No signals support on WASI yet, see https://github.com/WebAssembly/WASI/issues/166.
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#else
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internal var _ignore = _UnsupportedPlatformError()
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#endif
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//===----------------------------------------------------------------------===//
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// semaphore.h
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//===----------------------------------------------------------------------===//
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#if !os(Windows)
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#if os(OpenBSD)
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public typealias Semaphore = UnsafeMutablePointer<sem_t?>
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#else
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public typealias Semaphore = UnsafeMutablePointer<sem_t>
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#endif
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/// The value returned by `sem_open()` in the case of failure.
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public var SEM_FAILED: Semaphore? {
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#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
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// The value is ABI. Value verified to be correct for OS X, iOS, watchOS, tvOS.
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return Semaphore(bitPattern: -1)
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#elseif os(Linux) || os(FreeBSD) || os(OpenBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku) || os(WASI)
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// The value is ABI. Value verified to be correct on Glibc.
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return Semaphore(bitPattern: 0)
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#else
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_UnsupportedPlatformError()
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#endif
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}
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public func sem_open(
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_ name: UnsafePointer<CChar>,
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_ oflag: Int32
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) -> Semaphore? {
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return _stdlib_sem_open2(name, oflag)
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}
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public func sem_open(
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_ name: UnsafePointer<CChar>,
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_ oflag: Int32,
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_ mode: mode_t,
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_ value: CUnsignedInt
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) -> Semaphore? {
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return _stdlib_sem_open4(name, oflag, mode, value)
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}
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#endif
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//===----------------------------------------------------------------------===//
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// Misc.
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//===----------------------------------------------------------------------===//
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|
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// Some platforms don't have `extern char** environ` imported from C.
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#if SWIFT_STDLIB_HAS_ENVIRON
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#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS) || os(FreeBSD) || os(OpenBSD) || os(PS4)
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public var environ: UnsafeMutablePointer<UnsafeMutablePointer<CChar>?> {
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return _swift_stdlib_getEnviron()
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}
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#elseif os(Linux)
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public var environ: UnsafeMutablePointer<UnsafeMutablePointer<CChar>?> {
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return __environ
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}
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#endif
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#endif // SWIFT_STDLIB_HAS_ENVIRON
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