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    //! Experimental extensions to `std` for Unix platforms.
    //!
    //! Provides access to platform-level information on Unix platforms, and
    //! exposes Unix-specific functions that would otherwise be inappropriate as
    //! part of the core `std` library.
    //!
    //! It exposes more ways to deal with platform-specific strings (`OsStr`,
    //! `OsString`), allows to set permissions more granularly, extract low-level
    //! file descriptors from files and sockets, and has platform-specific helpers
    //! for spawning processes.
    //!
    //! # Examples
    //!
    //! ```no_run
    //! use std::fs::File;
    //! use std::os::unix::prelude::*;
    //!
    //! fn main() {
    //!     let f = File::create("foo.txt").unwrap();
    //!     let fd = f.as_raw_fd();
    //!
    //!     // use fd with native unix bindings
    //! }
    //! ```

    #![stable(feature = "rust1", since = "1.0.0")]
    #![doc(cfg(unix))]
    #![allow(missing_docs)]

    pub mod io;
    pub mod ffi;
    pub mod fs;
    pub mod process;
    pub mod raw;
    pub mod thread;
    pub mod net;

    /// A prelude for conveniently writing platform-specific code.
    ///
    /// Includes all extension traits, and some important type definitions.
    #[stable(feature = "rust1", since = "1.0.0")]
    pub mod prelude {
        #[doc(no_inline)] #[stable(feature = "rust1", since = "1.0.0")]
        pub use super::io::{RawFd, AsRawFd, FromRawFd, IntoRawFd};
        #[doc(no_inline)] #[stable(feature = "rust1", since = "1.0.0")]
        pub use super::ffi::{OsStrExt, OsStringExt};
        #[doc(no_inline)] #[stable(feature = "rust1", since = "1.0.0")]
        pub use super::fs::{PermissionsExt, OpenOptionsExt, MetadataExt, FileTypeExt};
        #[doc(no_inline)] #[stable(feature = "rust1", since = "1.0.0")]
        pub use super::fs::DirEntryExt;
        #[doc(no_inline)] #[stable(feature = "file_offset", since = "1.15.0")]
        pub use super::fs::FileExt;
        #[doc(no_inline)] #[stable(feature = "rust1", since = "1.0.0")]
        pub use super::thread::JoinHandleExt;
        #[doc(no_inline)] #[stable(feature = "rust1", since = "1.0.0")]
        pub use super::process::{CommandExt, ExitStatusExt};
    }

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