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use libc;
use std::io;

#[repr(C)]
pub union ifr_ifru {
    pub ifr_addr: libc::sockaddr,
    pub ifr_dstaddr: libc::sockaddr,
    pub ifr_broadaddr: libc::sockaddr,
    pub ifr_netmask: libc::sockaddr,
    pub ifr_hwaddr: libc::sockaddr,
    pub ifr_flags: libc::c_short,
    pub ifr_ifindex: libc::c_int,
    pub ifr_metric: libc::c_int,
    pub ifr_mtu: libc::c_int,
    pub ifr_map: ::ifmap,
    pub ifr_slave: [libc::c_char; libc::IFNAMSIZ],
    pub ifr_newname: [libc::c_char; libc::IFNAMSIZ],
    pub ifr_data: *mut libc::c_char,
}

#[repr(C)]
pub struct ifreq {
    pub ifr_name: [u8; libc::IFNAMSIZ],
    pub ifr_ifru: ifr_ifru,
}

impl ::ifreq {
    pub fn set_name(&mut self, name: &str) -> io::Result<()> {
        set_name!(self.ifr_name, name)
    }

    pub fn get_name(&self) -> io::Result<String> {
        get_name!(self.ifr_name)
    }

    pub fn get_flags(&self) -> libc::c_short {
        unsafe { self.ifr_ifru.ifr_flags }
    }

    pub fn set_flags(&mut self, flags: libc::c_short) {
        self.ifr_ifru.ifr_flags = flags;
    }
}