diff --git a/lib/std/c/darwin.zig b/lib/std/c/darwin.zig
index 3f5b8b340ad6b9430850d6743eb96a712858612d..2d72f690243a8620150d0cc66034983516edbefc 100644
--- a/lib/std/c/darwin.zig
+++ b/lib/std/c/darwin.zig
@@ -395,6 +395,10 @@ pub const Stat = extern struct {
     pub fn ctime(self: @This()) timespec {
         return self.ctimespec;
     }
+
+    pub fn birthtime(self: @This()) timespec {
+        return self.birthtimespec;
+    }
 };
 
 pub const timespec = extern struct {
diff --git a/lib/std/c/freebsd.zig b/lib/std/c/freebsd.zig
index a19ecd3bac8be2eaf60785710350a6d460ef6347..10ab830ab087e7e87b55caaceee7bee5e5cceb5a 100644
--- a/lib/std/c/freebsd.zig
+++ b/lib/std/c/freebsd.zig
@@ -283,6 +283,10 @@ pub const Stat = extern struct {
     pub fn ctime(self: @This()) timespec {
         return self.ctim;
     }
+
+    pub fn birthtime(self: @This()) timespec {
+        return self.birthtim;
+    }
 };
 
 pub const timespec = extern struct {
diff --git a/lib/std/c/netbsd.zig b/lib/std/c/netbsd.zig
index 4fbc7594b07c60ca4200439a6c7d43753b1474b1..17c3bfd83cd69ab3b71dfed3625ec9724aec4682 100644
--- a/lib/std/c/netbsd.zig
+++ b/lib/std/c/netbsd.zig
@@ -312,6 +312,10 @@ pub const Stat = extern struct {
     pub fn ctime(self: @This()) timespec {
         return self.ctim;
     }
+
+    pub fn birthtime(self: @This()) timespec {
+        return self.birthtim;
+    }
 };
 
 pub const timespec = extern struct {
diff --git a/lib/std/c/openbsd.zig b/lib/std/c/openbsd.zig
index 6ba11e8e5acde697a972d8c97bea83bdbe4eab10..4ee3351023154a6e171ec603250f4977859c6e48 100644
--- a/lib/std/c/openbsd.zig
+++ b/lib/std/c/openbsd.zig
@@ -235,6 +235,10 @@ pub const Stat = extern struct {
     pub fn ctime(self: @This()) timespec {
         return self.ctim;
     }
+
+    pub fn birthtime(self: @This()) timespec {
+        return self.birthtim;
+    }
 };
 
 pub const timespec = extern struct {