mtu 0.4.1

Obtain the local network interface MTU towards a given IP address.
Documentation
/* automatically generated by rust-bindgen 0.72.1 */

pub const RTM_VERSION: u32 = 5;
pub const RTM_GET: u32 = 4;
pub const RTA_DST: u32 = 1;
pub const RTA_IFP: u32 = 16;
pub const RTAX_MAX: u32 = 8;
pub type __int32_t = ::std::os::raw::c_int;
pub type __int64_t = ::std::os::raw::c_long;
pub type __time_t = __int64_t;
pub type __pid_t = __int32_t;
pub type __suseconds_t = ::std::os::raw::c_long;
pub type u_char = ::std::os::raw::c_uchar;
pub type u_short = ::std::os::raw::c_ushort;
pub type u_long = ::std::os::raw::c_ulong;
pub type pid_t = __pid_t;
pub type suseconds_t = __suseconds_t;
pub type time_t = __time_t;
#[repr(C)]
#[derive(Debug, Default, Copy, Clone)]
pub struct timeval {
    pub tv_sec: time_t,
    pub tv_usec: suseconds_t,
}
#[allow(clippy::unnecessary_operation, clippy::identity_op)]
const _: () = {
    ["Size of timeval"][::std::mem::size_of::<timeval>() - 16usize];
    ["Alignment of timeval"][::std::mem::align_of::<timeval>() - 8usize];
    ["Offset of field: timeval::tv_sec"][::std::mem::offset_of!(timeval, tv_sec) - 0usize];
    ["Offset of field: timeval::tv_usec"][::std::mem::offset_of!(timeval, tv_usec) - 8usize];
};
#[repr(C)]
#[derive(Debug, Default, Copy, Clone)]
pub struct rt_metrics {
    pub rmx_locks: u_long,
    pub rmx_mtu: u_long,
    pub rmx_hopcount: u_long,
    pub rmx_expire: u_long,
    pub rmx_recvpipe: u_long,
    pub rmx_sendpipe: u_long,
    pub rmx_ssthresh: u_long,
    pub rmx_rtt: u_long,
    pub rmx_rttvar: u_long,
    pub rmx_pksent: u_long,
    pub rmx_weight: u_long,
    pub rmx_nhidx: u_long,
    pub rmx_filler: [u_long; 2usize],
}
#[allow(clippy::unnecessary_operation, clippy::identity_op)]
const _: () = {
    ["Size of rt_metrics"][::std::mem::size_of::<rt_metrics>() - 112usize];
    ["Alignment of rt_metrics"][::std::mem::align_of::<rt_metrics>() - 8usize];
    ["Offset of field: rt_metrics::rmx_locks"]
        [::std::mem::offset_of!(rt_metrics, rmx_locks) - 0usize];
    ["Offset of field: rt_metrics::rmx_mtu"][::std::mem::offset_of!(rt_metrics, rmx_mtu) - 8usize];
    ["Offset of field: rt_metrics::rmx_hopcount"]
        [::std::mem::offset_of!(rt_metrics, rmx_hopcount) - 16usize];
    ["Offset of field: rt_metrics::rmx_expire"]
        [::std::mem::offset_of!(rt_metrics, rmx_expire) - 24usize];
    ["Offset of field: rt_metrics::rmx_recvpipe"]
        [::std::mem::offset_of!(rt_metrics, rmx_recvpipe) - 32usize];
    ["Offset of field: rt_metrics::rmx_sendpipe"]
        [::std::mem::offset_of!(rt_metrics, rmx_sendpipe) - 40usize];
    ["Offset of field: rt_metrics::rmx_ssthresh"]
        [::std::mem::offset_of!(rt_metrics, rmx_ssthresh) - 48usize];
    ["Offset of field: rt_metrics::rmx_rtt"][::std::mem::offset_of!(rt_metrics, rmx_rtt) - 56usize];
    ["Offset of field: rt_metrics::rmx_rttvar"]
        [::std::mem::offset_of!(rt_metrics, rmx_rttvar) - 64usize];
    ["Offset of field: rt_metrics::rmx_pksent"]
        [::std::mem::offset_of!(rt_metrics, rmx_pksent) - 72usize];
    ["Offset of field: rt_metrics::rmx_weight"]
        [::std::mem::offset_of!(rt_metrics, rmx_weight) - 80usize];
    ["Offset of field: rt_metrics::rmx_nhidx"]
        [::std::mem::offset_of!(rt_metrics, rmx_nhidx) - 88usize];
    ["Offset of field: rt_metrics::rmx_filler"]
        [::std::mem::offset_of!(rt_metrics, rmx_filler) - 96usize];
};
#[repr(C)]
#[derive(Debug, Default, Copy, Clone)]
pub struct rt_msghdr {
    pub rtm_msglen: u_short,
    pub rtm_version: u_char,
    pub rtm_type: u_char,
    pub rtm_index: u_short,
    pub _rtm_spare1: u_short,
    pub rtm_flags: ::std::os::raw::c_int,
    pub rtm_addrs: ::std::os::raw::c_int,
    pub rtm_pid: pid_t,
    pub rtm_seq: ::std::os::raw::c_int,
    pub rtm_errno: ::std::os::raw::c_int,
    pub rtm_fmask: ::std::os::raw::c_int,
    pub rtm_inits: u_long,
    pub rtm_rmx: rt_metrics,
}
#[allow(clippy::unnecessary_operation, clippy::identity_op)]
const _: () = {
    ["Size of rt_msghdr"][::std::mem::size_of::<rt_msghdr>() - 152usize];
    ["Alignment of rt_msghdr"][::std::mem::align_of::<rt_msghdr>() - 8usize];
    ["Offset of field: rt_msghdr::rtm_msglen"]
        [::std::mem::offset_of!(rt_msghdr, rtm_msglen) - 0usize];
    ["Offset of field: rt_msghdr::rtm_version"]
        [::std::mem::offset_of!(rt_msghdr, rtm_version) - 2usize];
    ["Offset of field: rt_msghdr::rtm_type"][::std::mem::offset_of!(rt_msghdr, rtm_type) - 3usize];
    ["Offset of field: rt_msghdr::rtm_index"]
        [::std::mem::offset_of!(rt_msghdr, rtm_index) - 4usize];
    ["Offset of field: rt_msghdr::_rtm_spare1"]
        [::std::mem::offset_of!(rt_msghdr, _rtm_spare1) - 6usize];
    ["Offset of field: rt_msghdr::rtm_flags"]
        [::std::mem::offset_of!(rt_msghdr, rtm_flags) - 8usize];
    ["Offset of field: rt_msghdr::rtm_addrs"]
        [::std::mem::offset_of!(rt_msghdr, rtm_addrs) - 12usize];
    ["Offset of field: rt_msghdr::rtm_pid"][::std::mem::offset_of!(rt_msghdr, rtm_pid) - 16usize];
    ["Offset of field: rt_msghdr::rtm_seq"][::std::mem::offset_of!(rt_msghdr, rtm_seq) - 20usize];
    ["Offset of field: rt_msghdr::rtm_errno"]
        [::std::mem::offset_of!(rt_msghdr, rtm_errno) - 24usize];
    ["Offset of field: rt_msghdr::rtm_fmask"]
        [::std::mem::offset_of!(rt_msghdr, rtm_fmask) - 28usize];
    ["Offset of field: rt_msghdr::rtm_inits"]
        [::std::mem::offset_of!(rt_msghdr, rtm_inits) - 32usize];
    ["Offset of field: rt_msghdr::rtm_rmx"][::std::mem::offset_of!(rt_msghdr, rtm_rmx) - 40usize];
};
#[repr(C)]
#[derive(Copy, Clone)]
pub struct if_data {
    pub ifi_type: u8,
    pub ifi_physical: u8,
    pub ifi_addrlen: u8,
    pub ifi_hdrlen: u8,
    pub ifi_link_state: u8,
    pub ifi_vhid: u8,
    pub ifi_datalen: u16,
    pub ifi_mtu: u32,
    pub ifi_metric: u32,
    pub ifi_baudrate: u64,
    pub ifi_ipackets: u64,
    pub ifi_ierrors: u64,
    pub ifi_opackets: u64,
    pub ifi_oerrors: u64,
    pub ifi_collisions: u64,
    pub ifi_ibytes: u64,
    pub ifi_obytes: u64,
    pub ifi_imcasts: u64,
    pub ifi_omcasts: u64,
    pub ifi_iqdrops: u64,
    pub ifi_oqdrops: u64,
    pub ifi_noproto: u64,
    pub ifi_hwassist: u64,
    pub __ifi_epoch: if_data__bindgen_ty_1,
    pub __ifi_lastchange: if_data__bindgen_ty_2,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub union if_data__bindgen_ty_1 {
    pub tt: time_t,
    pub ph: u64,
}
#[allow(clippy::unnecessary_operation, clippy::identity_op)]
const _: () = {
    ["Size of if_data__bindgen_ty_1"][::std::mem::size_of::<if_data__bindgen_ty_1>() - 8usize];
    ["Alignment of if_data__bindgen_ty_1"]
        [::std::mem::align_of::<if_data__bindgen_ty_1>() - 8usize];
    ["Offset of field: if_data__bindgen_ty_1::tt"]
        [::std::mem::offset_of!(if_data__bindgen_ty_1, tt) - 0usize];
    ["Offset of field: if_data__bindgen_ty_1::ph"]
        [::std::mem::offset_of!(if_data__bindgen_ty_1, ph) - 0usize];
};
impl Default for if_data__bindgen_ty_1 {
    fn default() -> Self {
        let mut s = ::std::mem::MaybeUninit::<Self>::uninit();
        unsafe {
            ::std::ptr::write_bytes(s.as_mut_ptr(), 0, 1);
            s.assume_init()
        }
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub union if_data__bindgen_ty_2 {
    pub tv: timeval,
    pub ph: if_data__bindgen_ty_2__bindgen_ty_1,
}
#[repr(C)]
#[derive(Debug, Default, Copy, Clone)]
pub struct if_data__bindgen_ty_2__bindgen_ty_1 {
    pub ph1: u64,
    pub ph2: u64,
}
#[allow(clippy::unnecessary_operation, clippy::identity_op)]
const _: () = {
    ["Size of if_data__bindgen_ty_2__bindgen_ty_1"]
        [::std::mem::size_of::<if_data__bindgen_ty_2__bindgen_ty_1>() - 16usize];
    ["Alignment of if_data__bindgen_ty_2__bindgen_ty_1"]
        [::std::mem::align_of::<if_data__bindgen_ty_2__bindgen_ty_1>() - 8usize];
    ["Offset of field: if_data__bindgen_ty_2__bindgen_ty_1::ph1"]
        [::std::mem::offset_of!(if_data__bindgen_ty_2__bindgen_ty_1, ph1) - 0usize];
    ["Offset of field: if_data__bindgen_ty_2__bindgen_ty_1::ph2"]
        [::std::mem::offset_of!(if_data__bindgen_ty_2__bindgen_ty_1, ph2) - 8usize];
};
#[allow(clippy::unnecessary_operation, clippy::identity_op)]
const _: () = {
    ["Size of if_data__bindgen_ty_2"][::std::mem::size_of::<if_data__bindgen_ty_2>() - 16usize];
    ["Alignment of if_data__bindgen_ty_2"]
        [::std::mem::align_of::<if_data__bindgen_ty_2>() - 8usize];
    ["Offset of field: if_data__bindgen_ty_2::tv"]
        [::std::mem::offset_of!(if_data__bindgen_ty_2, tv) - 0usize];
    ["Offset of field: if_data__bindgen_ty_2::ph"]
        [::std::mem::offset_of!(if_data__bindgen_ty_2, ph) - 0usize];
};
impl Default for if_data__bindgen_ty_2 {
    fn default() -> Self {
        let mut s = ::std::mem::MaybeUninit::<Self>::uninit();
        unsafe {
            ::std::ptr::write_bytes(s.as_mut_ptr(), 0, 1);
            s.assume_init()
        }
    }
}
#[allow(clippy::unnecessary_operation, clippy::identity_op)]
const _: () = {
    ["Size of if_data"][::std::mem::size_of::<if_data>() - 152usize];
    ["Alignment of if_data"][::std::mem::align_of::<if_data>() - 8usize];
    ["Offset of field: if_data::ifi_type"][::std::mem::offset_of!(if_data, ifi_type) - 0usize];
    ["Offset of field: if_data::ifi_physical"]
        [::std::mem::offset_of!(if_data, ifi_physical) - 1usize];
    ["Offset of field: if_data::ifi_addrlen"]
        [::std::mem::offset_of!(if_data, ifi_addrlen) - 2usize];
    ["Offset of field: if_data::ifi_hdrlen"][::std::mem::offset_of!(if_data, ifi_hdrlen) - 3usize];
    ["Offset of field: if_data::ifi_link_state"]
        [::std::mem::offset_of!(if_data, ifi_link_state) - 4usize];
    ["Offset of field: if_data::ifi_vhid"][::std::mem::offset_of!(if_data, ifi_vhid) - 5usize];
    ["Offset of field: if_data::ifi_datalen"]
        [::std::mem::offset_of!(if_data, ifi_datalen) - 6usize];
    ["Offset of field: if_data::ifi_mtu"][::std::mem::offset_of!(if_data, ifi_mtu) - 8usize];
    ["Offset of field: if_data::ifi_metric"][::std::mem::offset_of!(if_data, ifi_metric) - 12usize];
    ["Offset of field: if_data::ifi_baudrate"]
        [::std::mem::offset_of!(if_data, ifi_baudrate) - 16usize];
    ["Offset of field: if_data::ifi_ipackets"]
        [::std::mem::offset_of!(if_data, ifi_ipackets) - 24usize];
    ["Offset of field: if_data::ifi_ierrors"]
        [::std::mem::offset_of!(if_data, ifi_ierrors) - 32usize];
    ["Offset of field: if_data::ifi_opackets"]
        [::std::mem::offset_of!(if_data, ifi_opackets) - 40usize];
    ["Offset of field: if_data::ifi_oerrors"]
        [::std::mem::offset_of!(if_data, ifi_oerrors) - 48usize];
    ["Offset of field: if_data::ifi_collisions"]
        [::std::mem::offset_of!(if_data, ifi_collisions) - 56usize];
    ["Offset of field: if_data::ifi_ibytes"][::std::mem::offset_of!(if_data, ifi_ibytes) - 64usize];
    ["Offset of field: if_data::ifi_obytes"][::std::mem::offset_of!(if_data, ifi_obytes) - 72usize];
    ["Offset of field: if_data::ifi_imcasts"]
        [::std::mem::offset_of!(if_data, ifi_imcasts) - 80usize];
    ["Offset of field: if_data::ifi_omcasts"]
        [::std::mem::offset_of!(if_data, ifi_omcasts) - 88usize];
    ["Offset of field: if_data::ifi_iqdrops"]
        [::std::mem::offset_of!(if_data, ifi_iqdrops) - 96usize];
    ["Offset of field: if_data::ifi_oqdrops"]
        [::std::mem::offset_of!(if_data, ifi_oqdrops) - 104usize];
    ["Offset of field: if_data::ifi_noproto"]
        [::std::mem::offset_of!(if_data, ifi_noproto) - 112usize];
    ["Offset of field: if_data::ifi_hwassist"]
        [::std::mem::offset_of!(if_data, ifi_hwassist) - 120usize];
    ["Offset of field: if_data::__ifi_epoch"]
        [::std::mem::offset_of!(if_data, __ifi_epoch) - 128usize];
    ["Offset of field: if_data::__ifi_lastchange"]
        [::std::mem::offset_of!(if_data, __ifi_lastchange) - 136usize];
};
impl Default for if_data {
    fn default() -> Self {
        let mut s = ::std::mem::MaybeUninit::<Self>::uninit();
        unsafe {
            ::std::ptr::write_bytes(s.as_mut_ptr(), 0, 1);
            s.assume_init()
        }
    }
}