diff --git a/src/new/mod.rs b/src/new/mod.rs
index 35a493df4b152..1846ada479fba 100644
--- a/src/new/mod.rs
+++ b/src/new/mod.rs
@@ -150,6 +150,7 @@ cfg_if! {
         mod glibc;
         pub(crate) use glibc::*;
     } else if #[cfg(any(target_env = "musl", target_env = "ohos"))] {
+        // OhOS also uses the musl libc
         mod musl;
         pub(crate) use musl::*;
     } else if #[cfg(target_env = "newlib")] {
@@ -167,7 +168,7 @@ cfg_if! {
     }
 }
 
-// Headers we export
+// Per-OS headers we export
 cfg_if! {
     if #[cfg(target_os = "android")] {
         pub use sys::socket::*;
@@ -184,5 +185,12 @@ cfg_if! {
     }
 }
 
+// Per-env headers we export
+cfg_if! {
+    if #[cfg(any(target_env = "musl", target_env = "ohos"))] {
+        pub use sys::socket::*;
+    }
+}
+
 #[cfg(target_family = "unix")]
 pub use unistd::*;
diff --git a/src/new/musl/arch/generic/mod.rs b/src/new/musl/arch/generic/mod.rs
new file mode 100644
index 0000000000000..ac02505c882bf
--- /dev/null
+++ b/src/new/musl/arch/generic/mod.rs
@@ -0,0 +1,7 @@
+//! Source directory: `arch/generic/`
+//!
+//! <https://github.com/kraj/musl/tree/master/arch/generic>
+
+pub(crate) mod bits {
+    // Currently unused
+}
diff --git a/src/new/musl/arch/mips/bits/socket.rs b/src/new/musl/arch/mips/bits/socket.rs
new file mode 100644
index 0000000000000..77b53e489c3d8
--- /dev/null
+++ b/src/new/musl/arch/mips/bits/socket.rs
@@ -0,0 +1,4 @@
+use crate::prelude::*;
+
+pub const SOCK_STREAM: c_int = 2;
+pub const SOCK_DGRAM: c_int = 1;
diff --git a/src/new/musl/arch/mips/mod.rs b/src/new/musl/arch/mips/mod.rs
new file mode 100644
index 0000000000000..2f02036d254ce
--- /dev/null
+++ b/src/new/musl/arch/mips/mod.rs
@@ -0,0 +1,7 @@
+//! Source directory: `arch/mips/`
+//!
+//! <https://github.com/kraj/musl/tree/master/arch/mips>
+
+pub(crate) mod bits {
+    pub(crate) mod socket;
+}
diff --git a/src/new/musl/arch/mips64/bits/socket.rs b/src/new/musl/arch/mips64/bits/socket.rs
new file mode 100644
index 0000000000000..77b53e489c3d8
--- /dev/null
+++ b/src/new/musl/arch/mips64/bits/socket.rs
@@ -0,0 +1,4 @@
+use crate::prelude::*;
+
+pub const SOCK_STREAM: c_int = 2;
+pub const SOCK_DGRAM: c_int = 1;
diff --git a/src/new/musl/arch/mips64/mod.rs b/src/new/musl/arch/mips64/mod.rs
new file mode 100644
index 0000000000000..6a45b067b998e
--- /dev/null
+++ b/src/new/musl/arch/mips64/mod.rs
@@ -0,0 +1,7 @@
+//! Source directory: `arch/mips64/`
+//!
+//! <https://github.com/kraj/musl/tree/master/arch/mips64>
+
+pub(crate) mod bits {
+    pub(crate) mod socket;
+}
diff --git a/src/new/musl/arch/mod.rs b/src/new/musl/arch/mod.rs
new file mode 100644
index 0000000000000..514d7b4bdfea7
--- /dev/null
+++ b/src/new/musl/arch/mod.rs
@@ -0,0 +1,10 @@
+//! Source directory: `arch/`
+//!
+//! <https://github.com/kraj/musl/tree/master/arch>
+
+pub(crate) mod generic;
+
+#[cfg(target_arch = "mips")]
+pub(crate) mod mips;
+#[cfg(target_arch = "mips64")]
+pub(crate) mod mips64;
diff --git a/src/new/musl/mod.rs b/src/new/musl/mod.rs
index 7b1f31e340a1f..d6297a8d27dd8 100644
--- a/src/new/musl/mod.rs
+++ b/src/new/musl/mod.rs
@@ -3,4 +3,28 @@
 //! * Headers: <https://git.musl-libc.org/cgit/musl> (official)
 //! * Headers: <https://github.com/kraj/musl> (mirror)
 
+// The musl build system includes `arch/$(ARCH)` (preferred if it exists) and `arch/generic` (used
+// as the fallback). We can't exactly mirror this with glob exports, so instead we selectively
+// reexport in a new module.
+mod arch;
+
+pub(crate) mod bits {
+    cfg_if! {
+        if #[cfg(target_arch = "mips")] {
+            pub(crate) use super::arch::mips::bits::socket;
+        } else if #[cfg(target_arch = "mips64")] {
+            pub(crate) use super::arch::mips64::bits::socket;
+        } else {
+            // Reexports from generic will live here once we need them.
+        }
+    }
+}
+
+/// Directory: `sys/`
+///
+/// <https://github.com/kraj/musl/tree/kraj/master/include/sys>
+pub(crate) mod sys {
+    pub(crate) mod socket;
+}
+
 pub(crate) mod unistd;
diff --git a/src/new/musl/sys/socket.rs b/src/new/musl/sys/socket.rs
new file mode 100644
index 0000000000000..f7105c9bbca16
--- /dev/null
+++ b/src/new/musl/sys/socket.rs
@@ -0,0 +1,63 @@
+//! Header: `sys/socket.h`
+//!
+//! <https://github.com/kraj/musl/blob/kraj/master/include/sys/socket.h>
+
+use crate::prelude::*;
+
+s! {
+    pub struct msghdr {
+        pub msg_name: *mut c_void,
+        pub msg_namelen: crate::socklen_t,
+        pub msg_iov: *mut crate::iovec,
+        #[cfg(all(target_pointer_width = "64", target_endian = "big"))]
+        __pad1: c_int,
+        pub msg_iovlen: c_int,
+        #[cfg(all(target_pointer_width = "64", target_endian = "little"))]
+        __pad1: c_int,
+        pub msg_control: *mut c_void,
+        #[cfg(all(target_pointer_width = "64", target_endian = "big"))]
+        __pad2: c_int,
+        pub msg_controllen: crate::socklen_t,
+        #[cfg(all(target_pointer_width = "64", target_endian = "little"))]
+        __pad2: c_int,
+        pub msg_flags: c_int,
+    }
+
+    pub struct cmsghdr {
+        #[cfg(all(target_pointer_width = "64", target_endian = "big"))]
+        pub __pad1: c_int,
+        pub cmsg_len: crate::socklen_t,
+        #[cfg(all(target_pointer_width = "64", target_endian = "little"))]
+        pub __pad1: c_int,
+        pub cmsg_level: c_int,
+        pub cmsg_type: c_int,
+    }
+}
+
+extern "C" {
+    pub fn sendmmsg(
+        sockfd: c_int,
+        msgvec: *mut crate::mmsghdr,
+        vlen: c_uint,
+        flags: c_uint,
+    ) -> c_int;
+    pub fn recvmmsg(
+        sockfd: c_int,
+        msgvec: *mut crate::mmsghdr,
+        vlen: c_uint,
+        flags: c_uint,
+        timeout: *mut crate::timespec,
+    ) -> c_int;
+}
+
+cfg_if! {
+    if #[cfg(any(target_arch = "mips", target_arch = "mips64"))] {
+        pub use crate::bits::socket::{
+            SOCK_DGRAM,
+            SOCK_STREAM,
+        };
+    } else {
+        pub const SOCK_STREAM: c_int = 1;
+        pub const SOCK_DGRAM: c_int = 2;
+    }
+}
diff --git a/src/unix/linux_like/linux/mod.rs b/src/unix/linux_like/linux/mod.rs
index 8f3c1958432d7..95155996663ae 100644
--- a/src/unix/linux_like/linux/mod.rs
+++ b/src/unix/linux_like/linux/mod.rs
@@ -5710,16 +5710,20 @@ f! {
         return ((len) + NLA_ALIGNTO - 1) & !(NLA_ALIGNTO - 1);
     }
 
-    pub fn CMSG_NXTHDR(mhdr: *const msghdr, cmsg: *const cmsghdr) -> *mut cmsghdr {
-        if ((*cmsg).cmsg_len as usize) < size_of::<cmsghdr>() {
-            return core::ptr::null_mut::<cmsghdr>();
+    pub fn CMSG_NXTHDR(
+        mhdr: *const crate::msghdr,
+        cmsg: *const crate::cmsghdr,
+    ) -> *mut crate::cmsghdr {
+        if ((*cmsg).cmsg_len as usize) < size_of::<crate::cmsghdr>() {
+            return core::ptr::null_mut::<crate::cmsghdr>();
         }
-        let next = (cmsg as usize + super::CMSG_ALIGN((*cmsg).cmsg_len as usize)) as *mut cmsghdr;
+        let next =
+            (cmsg as usize + super::CMSG_ALIGN((*cmsg).cmsg_len as usize)) as *mut crate::cmsghdr;
         let max = (*mhdr).msg_control as usize + (*mhdr).msg_controllen as usize;
         if (next.wrapping_offset(1)) as usize > max
             || next as usize + super::CMSG_ALIGN((*next).cmsg_len as usize) > max
         {
-            core::ptr::null_mut::<cmsghdr>()
+            core::ptr::null_mut::<crate::cmsghdr>()
         } else {
             next
         }
diff --git a/src/unix/linux_like/linux/musl/b32/arm/mod.rs b/src/unix/linux_like/linux/musl/b32/arm/mod.rs
index a04f05ea50db8..189a294ea624f 100644
--- a/src/unix/linux_like/linux/musl/b32/arm/mod.rs
+++ b/src/unix/linux_like/linux/musl/b32/arm/mod.rs
@@ -272,9 +272,6 @@ pub const MAP_NONBLOCK: c_int = 0x010000;
 pub const MAP_STACK: c_int = 0x020000;
 pub const MAP_SYNC: c_int = 0x080000;
 
-pub const SOCK_STREAM: c_int = 1;
-pub const SOCK_DGRAM: c_int = 2;
-
 pub const EDEADLK: c_int = 35;
 pub const ENAMETOOLONG: c_int = 36;
 pub const ENOLCK: c_int = 37;
diff --git a/src/unix/linux_like/linux/musl/b32/hexagon.rs b/src/unix/linux_like/linux/musl/b32/hexagon.rs
index b687953554184..1c29114338adb 100644
--- a/src/unix/linux_like/linux/musl/b32/hexagon.rs
+++ b/src/unix/linux_like/linux/musl/b32/hexagon.rs
@@ -244,8 +244,6 @@ pub const SIGXFSZ: c_int = 25;
 pub const SIG_SETMASK: c_int = 2; // FIXME(musl) check these
 pub const SIG_BLOCK: c_int = 0x000000;
 pub const SIG_UNBLOCK: c_int = 0x01;
-pub const SOCK_DGRAM: c_int = 2;
-pub const SOCK_STREAM: c_int = 1;
 pub const SOL_CAIF: c_int = 278;
 pub const SOL_IUCV: c_int = 277;
 pub const SOL_KCM: c_int = 281;
diff --git a/src/unix/linux_like/linux/musl/b32/mips/mod.rs b/src/unix/linux_like/linux/musl/b32/mips/mod.rs
index 7564dcf612f9c..d8c3ee9d54736 100644
--- a/src/unix/linux_like/linux/musl/b32/mips/mod.rs
+++ b/src/unix/linux_like/linux/musl/b32/mips/mod.rs
@@ -338,9 +338,6 @@ pub const ENOTRECOVERABLE: c_int = 166;
 pub const EHWPOISON: c_int = 168;
 pub const ERFKILL: c_int = 167;
 
-pub const SOCK_STREAM: c_int = 2;
-pub const SOCK_DGRAM: c_int = 1;
-
 pub const SA_ONSTACK: c_int = 0x08000000;
 pub const SA_SIGINFO: c_int = 8;
 pub const SA_NOCLDWAIT: c_int = 0x10000;
diff --git a/src/unix/linux_like/linux/musl/b32/mod.rs b/src/unix/linux_like/linux/musl/b32/mod.rs
index 00b3d7705090f..ac76d3c659700 100644
--- a/src/unix/linux_like/linux/musl/b32/mod.rs
+++ b/src/unix/linux_like/linux/musl/b32/mod.rs
@@ -15,22 +15,6 @@ s! {
         __val: [c_ulong; 32],
     }
 
-    pub struct msghdr {
-        pub msg_name: *mut c_void,
-        pub msg_namelen: crate::socklen_t,
-        pub msg_iov: *mut crate::iovec,
-        pub msg_iovlen: c_int,
-        pub msg_control: *mut c_void,
-        pub msg_controllen: crate::socklen_t,
-        pub msg_flags: c_int,
-    }
-
-    pub struct cmsghdr {
-        pub cmsg_len: crate::socklen_t,
-        pub cmsg_level: c_int,
-        pub cmsg_type: c_int,
-    }
-
     pub struct sem_t {
         __val: [c_int; 4],
     }
diff --git a/src/unix/linux_like/linux/musl/b32/powerpc.rs b/src/unix/linux_like/linux/musl/b32/powerpc.rs
index a07dfda17794e..60305b3041013 100644
--- a/src/unix/linux_like/linux/musl/b32/powerpc.rs
+++ b/src/unix/linux_like/linux/musl/b32/powerpc.rs
@@ -223,9 +223,6 @@ pub const MAP_SYNC: c_int = 0x080000;
 pub const PTRACE_SYSEMU: c_int = 0x1d;
 pub const PTRACE_SYSEMU_SINGLESTEP: c_int = 0x1e;
 
-pub const SOCK_STREAM: c_int = 1;
-pub const SOCK_DGRAM: c_int = 2;
-
 pub const EDEADLK: c_int = 35;
 pub const ENAMETOOLONG: c_int = 36;
 pub const ENOLCK: c_int = 37;
diff --git a/src/unix/linux_like/linux/musl/b32/riscv32/mod.rs b/src/unix/linux_like/linux/musl/b32/riscv32/mod.rs
index d78df7528d26f..04ecf1b46c42d 100644
--- a/src/unix/linux_like/linux/musl/b32/riscv32/mod.rs
+++ b/src/unix/linux_like/linux/musl/b32/riscv32/mod.rs
@@ -207,8 +207,6 @@ pub const ENOTRECOVERABLE: c_int = 131;
 pub const EHWPOISON: c_int = 133;
 pub const ERFKILL: c_int = 132;
 
-pub const SOCK_STREAM: c_int = 1;
-pub const SOCK_DGRAM: c_int = 2;
 pub const SA_ONSTACK: c_int = 0x08000000;
 pub const SA_SIGINFO: c_int = 4;
 pub const SA_NOCLDWAIT: c_int = 2;
diff --git a/src/unix/linux_like/linux/musl/b32/x86/mod.rs b/src/unix/linux_like/linux/musl/b32/x86/mod.rs
index ae8b7d761dd6f..43ea2e88ff467 100644
--- a/src/unix/linux_like/linux/musl/b32/x86/mod.rs
+++ b/src/unix/linux_like/linux/musl/b32/x86/mod.rs
@@ -314,9 +314,6 @@ pub const MAP_NONBLOCK: c_int = 0x010000;
 pub const MAP_STACK: c_int = 0x020000;
 pub const MAP_SYNC: c_int = 0x080000;
 
-pub const SOCK_STREAM: c_int = 1;
-pub const SOCK_DGRAM: c_int = 2;
-
 pub const EDEADLK: c_int = 35;
 pub const ENAMETOOLONG: c_int = 36;
 pub const ENOLCK: c_int = 37;
diff --git a/src/unix/linux_like/linux/musl/b64/aarch64/mod.rs b/src/unix/linux_like/linux/musl/b64/aarch64/mod.rs
index 67151a8d37116..087e39001e84f 100644
--- a/src/unix/linux_like/linux/musl/b64/aarch64/mod.rs
+++ b/src/unix/linux_like/linux/musl/b64/aarch64/mod.rs
@@ -279,9 +279,6 @@ pub const MAP_STACK: c_int = 0x020000;
 pub const MAP_HUGETLB: c_int = 0x040000;
 pub const MAP_SYNC: c_int = 0x080000;
 
-pub const SOCK_STREAM: c_int = 1;
-pub const SOCK_DGRAM: c_int = 2;
-
 pub const SA_ONSTACK: c_int = 0x08000000;
 pub const SA_SIGINFO: c_int = 0x00000004;
 pub const SA_NOCLDWAIT: c_int = 0x00000002;
diff --git a/src/unix/linux_like/linux/musl/b64/loongarch64/mod.rs b/src/unix/linux_like/linux/musl/b64/loongarch64/mod.rs
index 6ae9637cb58c6..c151b0ec32046 100644
--- a/src/unix/linux_like/linux/musl/b64/loongarch64/mod.rs
+++ b/src/unix/linux_like/linux/musl/b64/loongarch64/mod.rs
@@ -573,9 +573,6 @@ pub const VEOF: usize = 4;
 pub const POLLWRNORM: c_short = 0x100;
 pub const POLLWRBAND: c_short = 0x200;
 
-pub const SOCK_STREAM: c_int = 1;
-pub const SOCK_DGRAM: c_int = 2;
-
 pub const MAP_ANON: c_int = 0x0020;
 pub const MAP_GROWSDOWN: c_int = 0x0100;
 pub const MAP_DENYWRITE: c_int = 0x0800;
diff --git a/src/unix/linux_like/linux/musl/b64/mips64.rs b/src/unix/linux_like/linux/musl/b64/mips64.rs
index 95dd37c889804..4d40637c0cb99 100644
--- a/src/unix/linux_like/linux/musl/b64/mips64.rs
+++ b/src/unix/linux_like/linux/musl/b64/mips64.rs
@@ -584,9 +584,6 @@ pub const MAP_NONBLOCK: c_int = 0x20000;
 pub const MAP_STACK: c_int = 0x40000;
 pub const MAP_HUGETLB: c_int = 0x080000;
 
-pub const SOCK_STREAM: c_int = 2;
-pub const SOCK_DGRAM: c_int = 1;
-
 pub const SA_ONSTACK: c_int = 0x08000000;
 pub const SA_SIGINFO: c_int = 0x00000008;
 pub const SA_NOCLDWAIT: c_int = 0x00010000;
diff --git a/src/unix/linux_like/linux/musl/b64/mod.rs b/src/unix/linux_like/linux/musl/b64/mod.rs
index 1bfd812ab2a34..35545402d11d1 100644
--- a/src/unix/linux_like/linux/musl/b64/mod.rs
+++ b/src/unix/linux_like/linux/musl/b64/mod.rs
@@ -48,34 +48,6 @@ s! {
         __pad2: c_ulong,
     }
 
-    pub struct msghdr {
-        pub msg_name: *mut c_void,
-        pub msg_namelen: crate::socklen_t,
-        pub msg_iov: *mut crate::iovec,
-        #[cfg(target_endian = "big")]
-        __pad1: c_int,
-        pub msg_iovlen: c_int,
-        #[cfg(target_endian = "little")]
-        __pad1: c_int,
-        pub msg_control: *mut c_void,
-        #[cfg(target_endian = "big")]
-        __pad2: c_int,
-        pub msg_controllen: crate::socklen_t,
-        #[cfg(target_endian = "little")]
-        __pad2: c_int,
-        pub msg_flags: c_int,
-    }
-
-    pub struct cmsghdr {
-        #[cfg(target_endian = "big")]
-        pub __pad1: c_int,
-        pub cmsg_len: crate::socklen_t,
-        #[cfg(target_endian = "little")]
-        pub __pad1: c_int,
-        pub cmsg_level: c_int,
-        pub cmsg_type: c_int,
-    }
-
     pub struct sem_t {
         __val: [c_int; 8],
     }
diff --git a/src/unix/linux_like/linux/musl/b64/powerpc64.rs b/src/unix/linux_like/linux/musl/b64/powerpc64.rs
index bbcd382211dfd..34d56192a585a 100644
--- a/src/unix/linux_like/linux/musl/b64/powerpc64.rs
+++ b/src/unix/linux_like/linux/musl/b64/powerpc64.rs
@@ -214,9 +214,6 @@ pub const MAP_SYNC: c_int = 0x080000;
 pub const PTRACE_SYSEMU: c_int = 0x1d;
 pub const PTRACE_SYSEMU_SINGLESTEP: c_int = 0x1e;
 
-pub const SOCK_STREAM: c_int = 1;
-pub const SOCK_DGRAM: c_int = 2;
-
 pub const SA_ONSTACK: c_int = 0x08000000;
 pub const SA_SIGINFO: c_int = 0x00000004;
 pub const SA_NOCLDWAIT: c_int = 0x00000002;
diff --git a/src/unix/linux_like/linux/musl/b64/riscv64/mod.rs b/src/unix/linux_like/linux/musl/b64/riscv64/mod.rs
index cd93ef706deeb..29e950cc372f9 100644
--- a/src/unix/linux_like/linux/musl/b64/riscv64/mod.rs
+++ b/src/unix/linux_like/linux/musl/b64/riscv64/mod.rs
@@ -567,9 +567,6 @@ pub const VEOF: usize = 4;
 pub const POLLWRNORM: c_short = 0x100;
 pub const POLLWRBAND: c_short = 0x200;
 
-pub const SOCK_STREAM: c_int = 1;
-pub const SOCK_DGRAM: c_int = 2;
-
 pub const MADV_SOFT_OFFLINE: c_int = 101;
 pub const MAP_ANON: c_int = 0x0020;
 pub const MAP_GROWSDOWN: c_int = 0x0100;
diff --git a/src/unix/linux_like/linux/musl/b64/s390x.rs b/src/unix/linux_like/linux/musl/b64/s390x.rs
index 490d130c65bc4..c0332205a7948 100644
--- a/src/unix/linux_like/linux/musl/b64/s390x.rs
+++ b/src/unix/linux_like/linux/musl/b64/s390x.rs
@@ -165,9 +165,6 @@ pub const SIGSTKSZ: size_t = 0x2000;
 pub const MINSIGSTKSZ: size_t = 2048;
 pub const SIG_SETMASK: c_int = 2;
 
-pub const SOCK_STREAM: c_int = 1;
-pub const SOCK_DGRAM: c_int = 2;
-
 pub const O_NOCTTY: c_int = 256;
 pub const O_SYNC: c_int = 1052672;
 pub const O_RSYNC: c_int = 1052672;
diff --git a/src/unix/linux_like/linux/musl/b64/wasm32/mod.rs b/src/unix/linux_like/linux/musl/b64/wasm32/mod.rs
index 00dc4e5b97f2d..903bd48a37323 100644
--- a/src/unix/linux_like/linux/musl/b64/wasm32/mod.rs
+++ b/src/unix/linux_like/linux/musl/b64/wasm32/mod.rs
@@ -584,9 +584,6 @@ pub const VEOF: usize = 4;
 pub const POLLWRNORM: c_short = 0x100;
 pub const POLLWRBAND: c_short = 0x200;
 
-pub const SOCK_STREAM: c_int = 1;
-pub const SOCK_DGRAM: c_int = 2;
-
 pub const MAP_ANON: c_int = 0x0020;
 pub const MAP_GROWSDOWN: c_int = 0x0100;
 pub const MAP_DENYWRITE: c_int = 0x0800;
diff --git a/src/unix/linux_like/linux/musl/b64/x86_64/mod.rs b/src/unix/linux_like/linux/musl/b64/x86_64/mod.rs
index ce8319f015e97..ebb8084468b66 100644
--- a/src/unix/linux_like/linux/musl/b64/x86_64/mod.rs
+++ b/src/unix/linux_like/linux/musl/b64/x86_64/mod.rs
@@ -818,9 +818,6 @@ pub const VEOF: usize = 4;
 pub const POLLWRNORM: c_short = 0x100;
 pub const POLLWRBAND: c_short = 0x200;
 
-pub const SOCK_STREAM: c_int = 1;
-pub const SOCK_DGRAM: c_int = 2;
-
 pub const MAP_ANON: c_int = 0x0020;
 pub const MAP_GROWSDOWN: c_int = 0x0100;
 pub const MAP_DENYWRITE: c_int = 0x0800;
diff --git a/src/unix/linux_like/linux/musl/mod.rs b/src/unix/linux_like/linux/musl/mod.rs
index 80d8003e21724..4787ea51ff73a 100644
--- a/src/unix/linux_like/linux/musl/mod.rs
+++ b/src/unix/linux_like/linux/musl/mod.rs
@@ -846,20 +846,6 @@ cfg_if! {
 }
 
 extern "C" {
-    pub fn sendmmsg(
-        sockfd: c_int,
-        msgvec: *mut crate::mmsghdr,
-        vlen: c_uint,
-        flags: c_uint,
-    ) -> c_int;
-    pub fn recvmmsg(
-        sockfd: c_int,
-        msgvec: *mut crate::mmsghdr,
-        vlen: c_uint,
-        flags: c_uint,
-        timeout: *mut crate::timespec,
-    ) -> c_int;
-
     pub fn getrlimit(resource: c_int, rlim: *mut crate::rlimit) -> c_int;
     pub fn setrlimit(resource: c_int, rlim: *const crate::rlimit) -> c_int;
     pub fn prlimit(