diff --git a/libc-test/semver/linux-gnu.txt b/libc-test/semver/linux-gnu.txt
index 243d0f6eababe..cb01e971f0549 100644
--- a/libc-test/semver/linux-gnu.txt
+++ b/libc-test/semver/linux-gnu.txt
@@ -610,6 +610,9 @@ getentropy
 getgrent_r
 getloadavg
 getmntent_r
+getnetbyaddr_r
+getnetbyname_r
+getnetent_r
 getpt
 getpwent_r
 getpwnam_r
diff --git a/libc-test/semver/unix.txt b/libc-test/semver/unix.txt
index 052c24178dfcc..e723462cb8869 100644
--- a/libc-test/semver/unix.txt
+++ b/libc-test/semver/unix.txt
@@ -505,6 +505,7 @@ dlopen
 dlsym
 dup
 dup2
+endnetent
 execl
 execle
 execlp
@@ -567,6 +568,7 @@ getgid
 getgroups
 gethostname
 getlogin
+getnetent
 getopt
 getpeername
 getpgid
@@ -660,6 +662,7 @@ munlock
 munlockall
 munmap
 nanosleep
+netent
 nfds_t
 nlink_t
 ntohl
@@ -775,6 +778,7 @@ seteuid
 setgid
 setlocale
 setlogmask
+setnetent
 setpgid
 setregid
 setreuid
diff --git a/src/unix/linux_like/linux/gnu/mod.rs b/src/unix/linux_like/linux/gnu/mod.rs
index 926825c2e747e..c941fb6de45dd 100644
--- a/src/unix/linux_like/linux/gnu/mod.rs
+++ b/src/unix/linux_like/linux/gnu/mod.rs
@@ -1148,6 +1148,30 @@ extern "C" {
         buflen: size_t,
         result: *mut *mut crate::group,
     ) -> c_int;
+    pub fn getnetent_r(
+        result_buf: *mut crate::netent,
+        buf: *mut c_char,
+        buflen: size_t,
+        result: *mut *mut crate::netent,
+        h_errnop: *mut c_int,
+    ) -> c_int;
+    pub fn getnetbyname_r(
+        name: *const c_char,
+        result_buf: *mut crate::netent,
+        buf: *mut c_char,
+        buflen: size_t,
+        result: *mut *mut crate::netent,
+        h_errnop: *mut c_int,
+    ) -> c_int;
+    pub fn getnetbyaddr_r(
+        net: u32,
+        type_: c_int,
+        result_buf: *mut crate::netent,
+        buf: *mut c_char,
+        buflen: size_t,
+        result: *mut *mut crate::netent,
+        h_errnop: *mut c_int,
+    ) -> c_int;
 
     pub fn putpwent(p: *const crate::passwd, stream: *mut crate::FILE) -> c_int;
     pub fn putgrent(grp: *const crate::group, stream: *mut crate::FILE) -> c_int;
diff --git a/src/unix/mod.rs b/src/unix/mod.rs
index ef83c7c9a5532..0fb503e632986 100644
--- a/src/unix/mod.rs
+++ b/src/unix/mod.rs
@@ -206,6 +206,13 @@ s! {
         pub s_proto: *mut c_char,
     }
 
+    pub struct netent {
+        n_name: *mut c_char,
+        n_aliases: *mut *mut c_char,
+        n_addrtype: c_int,
+        n_net: u32,
+    }
+
     pub struct protoent {
         pub p_name: *mut c_char,
         pub p_aliases: *mut *mut c_char,
@@ -1521,6 +1528,11 @@ extern "C" {
     pub fn getservbyport(port: c_int, proto: *const c_char) -> *mut servent;
     pub fn getservent() -> *mut servent;
     pub fn setservent(stayopen: c_int);
+    pub fn getnetent() -> *mut netent;
+    pub fn getnetbyname(name: *const c_char) -> *mut netent;
+    pub fn getnetbyaddr(net: u32, type_: c_int) -> *mut netent;
+    pub fn setnetent(stayopen: c_int);
+    pub fn endnetent();
     pub fn getprotobyname(name: *const c_char) -> *mut protoent;
     pub fn getprotobynumber(proto: c_int) -> *mut protoent;
     pub fn chroot(name: *const c_char) -> c_int;