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#![stable(feature = "rust1", since = "1.0.0")]
use crate::fs;
use crate::os::raw;
use crate::sys;
use crate::io;
use crate::sys_common::{AsInner, FromInner, IntoInner};
#[stable(feature = "rust1", since = "1.0.0")]
pub type RawFd = raw::c_int;
#[stable(feature = "rust1", since = "1.0.0")]
pub trait AsRawFd {
    
    
    
    
    
    #[stable(feature = "rust1", since = "1.0.0")]
    fn as_raw_fd(&self) -> RawFd;
}
#[stable(feature = "from_raw_os", since = "1.1.0")]
pub trait FromRawFd {
    
    
    
    
    
    
    
    
    
    
    
    
    #[stable(feature = "from_raw_os", since = "1.1.0")]
    unsafe fn from_raw_fd(fd: RawFd) -> Self;
}
#[stable(feature = "into_raw_os", since = "1.4.0")]
pub trait IntoRawFd {
    
    
    
    
    
    #[stable(feature = "into_raw_os", since = "1.4.0")]
    fn into_raw_fd(self) -> RawFd;
}
#[stable(feature = "rust1", since = "1.0.0")]
impl AsRawFd for fs::File {
    fn as_raw_fd(&self) -> RawFd {
        self.as_inner().fd().raw()
    }
}
#[stable(feature = "from_raw_os", since = "1.1.0")]
impl FromRawFd for fs::File {
    unsafe fn from_raw_fd(fd: RawFd) -> fs::File {
        fs::File::from_inner(sys::fs::File::from_inner(fd))
    }
}
#[stable(feature = "into_raw_os", since = "1.4.0")]
impl IntoRawFd for fs::File {
    fn into_raw_fd(self) -> RawFd {
        self.into_inner().into_fd().into_raw()
    }
}
#[stable(feature = "asraw_stdio", since = "1.21.0")]
impl AsRawFd for io::Stdin {
    fn as_raw_fd(&self) -> RawFd { libc::STDIN_FILENO }
}
#[stable(feature = "asraw_stdio", since = "1.21.0")]
impl AsRawFd for io::Stdout {
    fn as_raw_fd(&self) -> RawFd { libc::STDOUT_FILENO }
}
#[stable(feature = "asraw_stdio", since = "1.21.0")]
impl AsRawFd for io::Stderr {
    fn as_raw_fd(&self) -> RawFd { libc::STDERR_FILENO }
}
#[stable(feature = "asraw_stdio_locks", since = "1.35.0")]
impl<'a> AsRawFd for io::StdinLock<'a> {
    fn as_raw_fd(&self) -> RawFd { libc::STDIN_FILENO }
}
#[stable(feature = "asraw_stdio_locks", since = "1.35.0")]
impl<'a> AsRawFd for io::StdoutLock<'a> {
    fn as_raw_fd(&self) -> RawFd { libc::STDOUT_FILENO }
}
#[stable(feature = "asraw_stdio_locks", since = "1.35.0")]
impl<'a> AsRawFd for io::StderrLock<'a> {
    fn as_raw_fd(&self) -> RawFd { libc::STDERR_FILENO }
}