diff --git a/libc-test/semver/netbsd.txt b/libc-test/semver/netbsd.txt
index 8a32fabe6ee30..1d0377d8997c1 100644
--- a/libc-test/semver/netbsd.txt
+++ b/libc-test/semver/netbsd.txt
@@ -1291,7 +1291,9 @@ strcasecmp
 strcasestr
 strncasecmp
 strndup
+strpct
 strsignal
+strspct
 sync
 syscall
 sysctl
diff --git a/src/unix/bsd/netbsdlike/netbsd/mod.rs b/src/unix/bsd/netbsdlike/netbsd/mod.rs
index 3f5d7ff59a9c5..af3fa1a50f3ca 100644
--- a/src/unix/bsd/netbsdlike/netbsd/mod.rs
+++ b/src/unix/bsd/netbsdlike/netbsd/mod.rs
@@ -2279,6 +2279,21 @@ extern "C" {
         buflen: ::size_t,
         spec: *const ::c_char,
     ) -> *const ::c_char;
+
+    pub fn strpct(
+        buf: *mut ::c_char,
+        bufsiz: ::size_t,
+        numerator: ::uintmax_t,
+        denominator: ::uintmax_t,
+        precision: ::size_t,
+    ) -> *mut ::c_char;
+    pub fn strspct(
+        buf: *mut ::c_char,
+        bufsiz: ::size_t,
+        numerator: ::intmax_t,
+        denominator: ::intmax_t,
+        precision: ::size_t,
+    ) -> *mut ::c_char;
 }
 
 cfg_if! {