use crate::mem;

use crate::net::{Shutdown, SocketAddr};

use crate::os::unix::io::{AsFd, AsRawFd, BorrowedFd, FromRawFd, IntoRawFd, RawFd};

use crate::str;

use crate::sys::fd::FileDesc;

use crate::sys::pal::unix::IsMinusOne;

use crate::sys_common::net::{getsockopt, setsockopt, sockaddr_to_addr};

#[cfg(not(target_os = "espidf"))]

let detail = unsafe {

str::from_utf8(CStr::from_ptr(libc::gai_strerror(err)).to_bytes()).unwrap().to_owned()

// We can't always expect a UTF-8 environment. When we don't get that luxury,

// it's better to give a low-quality error message than none at all.

CStr::from_ptr(libc::gai_strerror(err)).to_string_lossy()

};

#[cfg(target_os = "espidf")]