From 73c76996b5df77a0351591b12be5f4081f764320 Mon Sep 17 00:00:00 2001
From: "Peter H. Jin" <peter@peterjin.org>
Date: Wed, 16 Jun 2021 18:27:50 -0500
Subject: [PATCH] errno.h

---
 socket-enhancer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/socket-enhancer.c b/socket-enhancer.c
index 49be28d..7791745 100644
--- a/socket-enhancer.c
+++ b/socket-enhancer.c
@@ -1,5 +1,6 @@
 #define _GNU_SOURCE
 #include <stdio.h>
+#include <errno.h>
 #include <stdlib.h>
 #include <arpa/inet.h>
 #include <sys/socket.h>