diff --git a/lib/std/c.zig b/lib/std/c.zig
index 25d45ae8a6..6d49e8de8a 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -5703,6 +5703,9 @@ pub const SOCK = switch (native_os) {
         pub const RAW = 3;
         pub const SEQPACKET = 5;
         pub const MISC = 255;
+
+        pub const NONBLOCK = 0x40000;
+        pub const CLOEXEC = 0x80000;
     },
     .openbsd => struct {
         pub const STREAM = 1;