diff --git a/libc-test/build.rs b/libc-test/build.rs
index 511e166d364ce..c4b344f41b028 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -4589,11 +4589,11 @@ fn test_linux(target: &str) {
             true
         }
 
-        // The `inotify_event` and `cmsghdr` types contain Flexible Array Member fields (the
-        // `name` and `data` fields respectively) which have unspecified calling convention.
-        // The roundtripping tests deliberately pass the structs by value to check "by value"
-        // layout consistency, but this would be UB for the these types.
+        // The following types contain Flexible Array Member fields which have unspecified calling
+        // convention. The roundtripping tests deliberately pass the structs by value to check "by
+        // value" layout consistency, but this would be UB for the these types.
         "inotify_event" => true,
+        "fanotify_event_info_fid" => true,
         "cmsghdr" => true,
 
         // FIXME: the call ABI of max_align_t is incorrect on these platforms:
diff --git a/libc-test/semver/linux.txt b/libc-test/semver/linux.txt
index f549c977a60ba..5557664a1ab03 100644
--- a/libc-test/semver/linux.txt
+++ b/libc-test/semver/linux.txt
@@ -1353,9 +1353,16 @@ IW_ENC_CAPA_CIPHER_TKIP
 IW_ENC_CAPA_WPA
 IW_ENC_CAPA_WPA2
 IW_ESSID_MAX_SIZE
+IW_EVENT_CAPA_K_0
+IW_EVENT_CAPA_K_1
+IW_EV_ADDR_PK_LEN
 IW_EV_CHAR_PK_LEN
+IW_EV_FREQ_PK_LEN
 IW_EV_LCP_PK_LEN
+IW_EV_PARAM_PK_LEN
 IW_EV_POINT_PK_LEN
+IW_EV_QUAL_PK_LEN
+IW_EV_UINT_PK_LEN
 IW_FREQ_AUTO
 IW_FREQ_FIXED
 IW_GENERIC_IE_MAX
@@ -3728,6 +3735,22 @@ ip_mreq_source
 ip_mreqn
 ipc_perm
 itimerspec
+iw_discarded
+iw_encode_ext
+iw_event
+iw_freq
+iw_missed
+iw_param
+iw_pmkid_cand
+iw_pmksa
+iw_point
+iw_priv_args
+iw_quality
+iw_range
+iw_scan_req
+iw_statistics
+iwreq
+iwreq_data
 j1939_filter
 jrand48
 key_t
diff --git a/libc-test/semver/unix.txt b/libc-test/semver/unix.txt
index 7f750ecae3a19..6a18038c48ae3 100644
--- a/libc-test/semver/unix.txt
+++ b/libc-test/semver/unix.txt
@@ -588,6 +588,8 @@ grantpt
 group
 hostent
 hstrerror
+htonl
+htons
 if_indextoname
 if_nametoindex
 in6_addr
@@ -658,6 +660,8 @@ munmap
 nanosleep
 nfds_t
 nlink_t
+ntohl
+ntohs
 off_t
 open
 opendir
diff --git a/libc-test/test/primitive_types.rs b/libc-test/test/primitive_types.rs
new file mode 100644
index 0000000000000..c125a92a58110
--- /dev/null
+++ b/libc-test/test/primitive_types.rs
@@ -0,0 +1,15 @@
+use std::any::TypeId;
+
+macro_rules! ok {
+    ($($t:ident)*) => {$(
+        assert!(TypeId::of::<libc::$t>() == TypeId::of::<ffi::$t>(),
+                "{} is wrong", stringify!($t));
+    )*}
+}
+
+#[test]
+fn same() {
+    use std::ffi;
+    ok!(c_char c_schar c_uchar c_short c_ushort c_int c_uint c_long c_ulong
+        c_longlong c_ulonglong c_float c_double);
+}
diff --git a/src/macros.rs b/src/macros.rs
index 7fd61e4b34eba..ff8afee32281a 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -82,16 +82,11 @@ macro_rules! s {
         __item! {
             #[repr(C)]
             #[cfg_attr(feature = "extra_traits", derive(Debug, Eq, Hash, PartialEq))]
+            #[derive(Copy, Clone)]
             #[allow(deprecated)]
             $(#[$attr])*
             pub struct $i { $($field)* }
         }
-        #[allow(deprecated)]
-        impl ::Copy for $i {}
-        #[allow(deprecated)]
-        impl ::Clone for $i {
-            fn clone(&self) -> $i { *self }
-        }
     );
 }
 
@@ -106,13 +101,10 @@ macro_rules! s_paren {
     )* ) => ($(
         __item! {
             #[cfg_attr(feature = "extra_traits", derive(Debug, Eq, Hash, PartialEq))]
+            #[derive(Copy, Clone)]
             $(#[$attr])*
             pub struct $i ( $($field)* );
         }
-        impl ::Copy for $i {}
-        impl ::Clone for $i {
-            fn clone(&self) -> $i { *self }
-        }
     )*);
 }
 
@@ -130,28 +122,19 @@ macro_rules! s_no_extra_traits {
     (it: $(#[$attr:meta])* pub union $i:ident { $($field:tt)* }) => (
         __item! {
             #[repr(C)]
+            #[derive(Copy, Clone)]
             $(#[$attr])*
             pub union $i { $($field)* }
         }
-
-        impl ::Copy for $i {}
-        impl ::Clone for $i {
-            fn clone(&self) -> $i { *self }
-        }
     );
 
     (it: $(#[$attr:meta])* pub struct $i:ident { $($field:tt)* }) => (
         __item! {
             #[repr(C)]
+            #[derive(Copy, Clone)]
             $(#[$attr])*
             pub struct $i { $($field)* }
         }
-        #[allow(deprecated)]
-        impl ::Copy for $i {}
-        #[allow(deprecated)]
-        impl ::Clone for $i {
-            fn clone(&self) -> $i { *self }
-        }
     );
 }
 
@@ -177,13 +160,10 @@ macro_rules! e {
     )*) => ($(
         __item! {
             #[cfg_attr(feature = "extra_traits", derive(Debug, Eq, Hash, PartialEq))]
+            #[derive(Copy, Clone)]
             $(#[$attr])*
             pub enum $i { $($field)* }
         }
-        impl ::Copy for $i {}
-        impl ::Clone for $i {
-            fn clone(&self) -> $i { *self }
-        }
     )*);
 }
 
diff --git a/src/unix/linux_like/linux/mod.rs b/src/unix/linux_like/linux/mod.rs
index 9cc2425fc6b6f..c11cc7ef84871 100644
--- a/src/unix/linux_like/linux/mod.rs
+++ b/src/unix/linux_like/linux/mod.rs
@@ -993,6 +993,141 @@ s! {
         pub ts_first_pkt: ::tpacket_bd_ts,
         pub ts_last_pkt: ::tpacket_bd_ts,
     }
+
+    // linux/wireless.h
+
+    pub struct iw_param {
+        pub value: __s32,
+        pub fixed: __u8,
+        pub disabled: __u8,
+        pub flags: __u16,
+    }
+
+    pub struct iw_point {
+        pub pointer: *mut ::c_void,
+        pub length: __u16,
+        pub flags: __u16,
+    }
+
+    pub struct iw_freq {
+        pub m: __s32,
+        pub e: __s16,
+        pub i: __u8,
+        pub flags: __u8,
+    }
+
+    pub struct iw_quality {
+        pub qual: __u8,
+        pub level: __u8,
+        pub noise: __u8,
+        pub updated: __u8,
+    }
+
+    pub struct iw_discarded {
+        pub nwid: __u32,
+        pub code: __u32,
+        pub fragment: __u32,
+        pub retries: __u32,
+        pubmisc: __u32,
+    }
+
+    pub struct iw_missed {
+        pub beacon: __u32,
+    }
+
+    pub struct iw_scan_req {
+        pub scan_type: __u8,
+        pub essid_len: __u8,
+        pub num_channels: __u8,
+        pub flags: __u8,
+        pub bssid: ::sockaddr,
+        pub essid: [__u8; IW_ESSID_MAX_SIZE],
+        pub min_channel_time: __u32,
+        pub max_channel_time: __u32,
+        pub channel_list: [iw_freq; IW_MAX_FREQUENCIES],
+    }
+
+    pub struct iw_encode_ext {
+        pub ext_flags: __u32,
+        pub tx_seq: [__u8; IW_ENCODE_SEQ_MAX_SIZE],
+        pub rx_seq: [__u8; IW_ENCODE_SEQ_MAX_SIZE],
+        pub addr: ::sockaddr,
+        pub alg: __u16,
+        pub key_len: __u16,
+        pub key: [__u8;0],
+    }
+
+    pub struct iw_pmksa {
+        pub cmd: __u32,
+        pub bssid: ::sockaddr,
+        pub pmkid: [__u8; IW_PMKID_LEN],
+    }
+
+    pub struct iw_pmkid_cand {
+        pub flags: __u32,
+        pub index: __u32,
+        pub bssid: ::sockaddr,
+    }
+
+    pub struct iw_statistics {
+        pub status: __u16,
+        pub qual: iw_quality,
+        pub discard: iw_discarded,
+        pub miss: iw_missed,
+    }
+
+    pub struct iw_range {
+        pub throughput: __u32,
+        pub min_nwid: __u32,
+        pub max_nwid: __u32,
+        pub old_num_channels: __u16,
+        pub old_num_frequency: __u8,
+        pub scan_capa: __u8,
+        pub event_capa: [__u32; 6],
+        pub sensitivity: __s32,
+        pub max_qual: iw_quality,
+        pub avg_qual: iw_quality,
+        pub num_bitrates: __u8,
+        pub bitrate: [__s32; IW_MAX_BITRATES],
+        pub min_rts: __s32,
+        pub max_rts: __s32,
+        pub min_frag: __s32,
+        pub max_frag: __s32,
+        pub min_pmp: __s32,
+        pub max_pmp: __s32,
+        pub min_pmt: __s32,
+        pub max_pmt: __s32,
+        pub pmp_flags: __u16,
+        pub pmt_flags: __u16,
+        pub pm_capa: __u16,
+        pub encoding_size: [__u16; IW_MAX_ENCODING_SIZES],
+        pub num_encoding_sizes: __u8,
+        pub max_encoding_tokens: __u8,
+        pub encoding_login_index: __u8,
+        pub txpower_capa: __u16,
+        pub num_txpower: __u8,
+        pub txpower: [__s32;IW_MAX_TXPOWER],
+        pub we_version_compiled: __u8,
+        pub we_version_source: __u8,
+        pub retry_capa: __u16,
+        pub retry_flags: __u16,
+        pub r_time_flags: __u16,
+        pub min_retry: __s32,
+        pub max_retry: __s32,
+        pub min_r_time: __s32,
+        pub max_r_time: __s32,
+        pub num_channels: __u16,
+        pub num_frequency: __u8,
+        pub freq: [iw_freq; IW_MAX_FREQUENCIES],
+        pub enc_capa: __u32,
+    }
+
+    pub struct iw_priv_args {
+        pub cmd: __u32,
+        pub set_args: __u16,
+        pub get_args: __u16,
+        pub name: [c_char; ::IFNAMSIZ],
+    }
 }
 
 cfg_if! {
@@ -1009,6 +1144,23 @@ cfg_if! {
                 pub r_info: Elf64_Xword,
                 pub r_addend: Elf64_Sxword,
             }
+
+            pub struct iw_thrspy {
+                pub addr: ::sockaddr,
+                pub qual: iw_quality,
+                pub low: iw_quality,
+                pub high: iw_quality,
+            }
+            pub struct iw_mlme {
+                pub cmd: __u16,
+                pub reason_code: __u16,
+                pub addr: ::sockaddr,
+            }
+            pub struct iw_michaelmicfailure {
+                pub flags: __u32,
+                pub src_addr: ::sockaddr,
+                pub tsc: [__u8; IW_ENCODE_SEQ_MAX_SIZE],
+            }
         }
     }
 }
@@ -1323,6 +1475,43 @@ s_no_extra_traits! {
         pub can_ifindex: ::c_int,
         pub can_addr: __c_anonymous_sockaddr_can_can_addr,
     }
+
+    // linux/wireless.h
+    pub union iwreq_data {
+            pub name: [c_char; ::IFNAMSIZ],
+            pub essid: iw_point,
+            pub nwid: iw_param,
+            pub freq: iw_freq,
+            pub sens: iw_param,
+            pub bitrate: iw_param,
+            pub txpower: iw_param,
+            pub rts: iw_param,
+            pub frag: iw_param,
+            pub mode: __u32,
+            pub retry: iw_param,
+            pub encoding: iw_point,
+            pub power: iw_param,
+            pub qual: iw_quality,
+            pub ap_addr: ::sockaddr,
+            pub addr: ::sockaddr,
+            pub param: iw_param,
+            pub data: iw_point,
+    }
+
+    pub struct iw_event {
+        pub len: __u16,
+        pub cmd: __u16,
+        pub u: iwreq_data,
+    }
+
+    pub union __c_anonymous_iwreq {
+        pub ifrn_name: [c_char; ::IFNAMSIZ],
+    }
+
+    pub struct iwreq {
+        pub ifr_ifrn: __c_anonymous_iwreq,
+        pub u: iwreq_data,
+    }
 }
 
 cfg_if! {
@@ -1797,6 +1986,58 @@ cfg_if! {
                 self.sched_period.hash(state);
             }
         }
+
+        impl ::fmt::Debug for iwreq_data {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("iwreq_data")
+                    .field("name", unsafe { &self.name })
+                    .field("essid", unsafe { &self.essid })
+                    .field("nwid", unsafe { &self.nwid })
+                    .field("freq", unsafe { &self.freq })
+                    .field("sens", unsafe { &self.sens })
+                    .field("bitrate", unsafe { &self.bitrate })
+                    .field("txpower", unsafe { &self.txpower })
+                    .field("rts", unsafe { &self.rts })
+                    .field("frag", unsafe { &self.frag })
+                    .field("mode", unsafe { &self.mode })
+                    .field("retry", unsafe { &self.retry })
+                    .field("encoding", unsafe { &self.encoding })
+                    .field("power", unsafe { &self.power })
+                    .field("qual", unsafe { &self.qual })
+                    .field("ap_addr", unsafe { &self.ap_addr })
+                    .field("addr", unsafe { &self.addr })
+                    .field("param", unsafe { &self.param })
+                    .field("data", unsafe { &self.data })
+                    .finish()
+            }
+        }
+
+        impl ::fmt::Debug for iw_event {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("iw_event")
+                    .field("len", &self.len )
+                    .field("cmd", &self.cmd )
+                    .field("u", &self.u )
+                    .finish()
+            }
+        }
+
+        impl ::fmt::Debug for __c_anonymous_iwreq {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("__c_anonymous_iwreq")
+                    .field("ifrn_name", unsafe { &self.ifrn_name })
+                    .finish()
+            }
+        }
+
+        impl ::fmt::Debug for iwreq {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("iwreq")
+                    .field("ifr_ifrn", &self.ifr_ifrn )
+                    .field("u", &self.u )
+                    .finish()
+            }
+        }
     }
 }
 
@@ -3794,6 +4035,9 @@ pub const IW_ENC_CAPA_CIPHER_TKIP: ::c_ulong = 0x00000004;
 pub const IW_ENC_CAPA_CIPHER_CCMP: ::c_ulong = 0x00000008;
 pub const IW_ENC_CAPA_4WAY_HANDSHAKE: ::c_ulong = 0x00000010;
 
+pub const IW_EVENT_CAPA_K_0: c_ulong = 0x4000050; //   IW_EVENT_CAPA_MASK(0x8B04) | IW_EVENT_CAPA_MASK(0x8B06) | IW_EVENT_CAPA_MASK(0x8B1A);
+pub const IW_EVENT_CAPA_K_1: c_ulong = 0x400; //   W_EVENT_CAPA_MASK(0x8B2A);
+
 pub const IW_PMKSA_ADD: usize = 1;
 pub const IW_PMKSA_REMOVE: usize = 2;
 pub const IW_PMKSA_FLUSH: usize = 3;
@@ -3804,8 +4048,13 @@ pub const IW_PMKID_CAND_PREAUTH: ::c_ulong = 0x00000001;
 
 pub const IW_EV_LCP_PK_LEN: usize = 4;
 
-pub const IW_EV_CHAR_PK_LEN: usize = IW_EV_LCP_PK_LEN + ::IFNAMSIZ;
-pub const IW_EV_POINT_PK_LEN: usize = IW_EV_LCP_PK_LEN + 4;
+pub const IW_EV_CHAR_PK_LEN: usize = 20; // IW_EV_LCP_PK_LEN + ::IFNAMSIZ;
+pub const IW_EV_UINT_PK_LEN: usize = 8; // IW_EV_LCP_PK_LEN + ::mem::size_of::<u32>();
+pub const IW_EV_FREQ_PK_LEN: usize = 12; // IW_EV_LCP_PK_LEN + ::mem::size_of::<iw_freq>();
+pub const IW_EV_PARAM_PK_LEN: usize = 12; // IW_EV_LCP_PK_LEN + ::mem::size_of::<iw_param>();
+pub const IW_EV_ADDR_PK_LEN: usize = 20; // IW_EV_LCP_PK_LEN + ::mem::size_of::<::sockaddr>();
+pub const IW_EV_QUAL_PK_LEN: usize = 8; // IW_EV_LCP_PK_LEN + ::mem::size_of::<iw_quality>();
+pub const IW_EV_POINT_PK_LEN: usize = 8; // IW_EV_LCP_PK_LEN + 4;
 
 pub const IPTOS_TOS_MASK: u8 = 0x1E;
 pub const IPTOS_PREC_MASK: u8 = 0xE0;
diff --git a/src/unix/mod.rs b/src/unix/mod.rs
index 35194ac0ebc51..0a290b734a3d1 100644
--- a/src/unix/mod.rs
+++ b/src/unix/mod.rs
@@ -1446,6 +1446,23 @@ extern "C" {
 
 }
 
+safe_f! {
+    // It seems htonl, etc are macros on macOS. So we have to reimplement them. So let's
+    // reimplement them for all UNIX platforms
+    pub {const} fn htonl(hostlong: u32) -> u32 {
+        u32::to_be(hostlong)
+    }
+    pub {const} fn htons(hostshort: u16) -> u16 {
+        u16::to_be(hostshort)
+    }
+    pub {const} fn ntohl(netlong: u32) -> u32 {
+        u32::from_be(netlong)
+    }
+    pub {const} fn ntohs(netshort: u16) -> u16 {
+        u16::from_be(netshort)
+    }
+}
+
 cfg_if! {
     if #[cfg(not(any(target_os = "emscripten",
                      target_os = "android",