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    // Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
    // file at the top-level directory of this distribution and at
    // http://rust-lang.org/COPYRIGHT.
    //
    // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
    // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
    // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
    // option. This file may not be copied, modified, or distributed
    // except according to those terms.
    //! libc - Raw FFI bindings to platforms' system libraries
    //!
    //! [Documentation for other platforms][pd].
    //!
    //! [pd]: https://rust-lang.github.io/libc/#platform-specific-documentation
    #![crate_name = "libc"]
    #![crate_type = "rlib"]
    #![cfg_attr(libc_deny_warnings, deny(warnings))]
    #![allow(
        bad_style,
        overflowing_literals,
        improper_ctypes,
        unknown_lints,
        redundant_semicolon
    )]
    // Attributes needed when building as part of the standard library
    #![cfg_attr(
        feature = "rustc-dep-of-std",
        feature(cfg_target_vendor, link_cfg, no_core)
    )]
    #![cfg_attr(libc_thread_local, feature(thread_local))]
    // Enable extra lints:
    #![cfg_attr(feature = "extra_traits", deny(missing_debug_implementations))]
    #![deny(missing_copy_implementations, safe_packed_borrows)]
    #![no_std]
    #![cfg_attr(feature = "rustc-dep-of-std", no_core)]
    #![cfg_attr(target_os = "redox", feature(static_nobundle))]

    #[macro_use]
    mod macros;

    cfg_if! {
        if #[cfg(feature = "rustc-dep-of-std")] {
            extern crate rustc_std_workspace_core as core;
            #[allow(unused_imports)]
            use core::iter;
            #[allow(unused_imports)]
            use core::option;
        }
    }

    cfg_if! {
        if #[cfg(libc_priv_mod_use)] {
            #[cfg(libc_core_cvoid)]
            #[allow(unused_imports)]
            use core::ffi;
            #[allow(unused_imports)]
            use core::fmt;
            #[allow(unused_imports)]
            use core::hash;
            #[allow(unused_imports)]
            use core::num;
            #[allow(unused_imports)]
            use core::mem;
            #[doc(hidden)]
            #[allow(unused_imports)]
            use core::clone::Clone;
            #[doc(hidden)]
            #[allow(unused_imports)]
            use core::marker::Copy;
            #[doc(hidden)]
            #[allow(unused_imports)]
            use core::option::Option;
        } else {
            #[doc(hidden)]
            #[allow(unused_imports)]
            pub use core::fmt;
            #[doc(hidden)]
            #[allow(unused_imports)]
            pub use core::hash;
            #[doc(hidden)]
            #[allow(unused_imports)]
            pub use core::num;
            #[doc(hidden)]
            #[allow(unused_imports)]
            pub use core::mem;
            #[doc(hidden)]
            #[allow(unused_imports)]
            pub use core::clone::Clone;
            #[doc(hidden)]
            #[allow(unused_imports)]
            pub use core::marker::Copy;
            #[doc(hidden)]
            #[allow(unused_imports)]
            pub use core::option::Option;
        }
    }

    cfg_if! {
        if #[cfg(windows)] {
            mod fixed_width_ints;
            pub use fixed_width_ints::*;

            mod windows;
            pub use windows::*;
        } else if #[cfg(target_os = "cloudabi")] {
            mod fixed_width_ints;
            pub use fixed_width_ints::*;

            mod cloudabi;
            pub use cloudabi::*;
        } else if #[cfg(target_os = "fuchsia")] {
            mod fixed_width_ints;
            pub use fixed_width_ints::*;

            mod fuchsia;
            pub use fuchsia::*;
        } else if #[cfg(target_os = "switch")] {
            mod fixed_width_ints;
            pub use fixed_width_ints::*;

            mod switch;
            pub use switch::*;
        } else if #[cfg(target_os = "vxworks")] {
            mod fixed_width_ints;
            pub use fixed_width_ints::*;

            mod vxworks;
            pub use vxworks::*;
        } else if #[cfg(unix)] {
            mod fixed_width_ints;
            pub use fixed_width_ints::*;

            mod unix;
            pub use unix::*;
        } else if #[cfg(target_os = "hermit")] {
            mod fixed_width_ints;
            pub use fixed_width_ints::*;

            mod hermit;
            pub use hermit::*;
        } else if #[cfg(all(target_env = "sgx", target_vendor = "fortanix"))] {
            mod fixed_width_ints;
            pub use fixed_width_ints::*;

            mod sgx;
            pub use sgx::*;
        } else if #[cfg(any(target_env = "wasi", target_os = "wasi"))] {
            mod fixed_width_ints;
            pub use fixed_width_ints::*;

            mod wasi;
            pub use wasi::*;
        } else {
            // non-supported targets: empty...
        }
    }

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