From 7c494b3829616e3b721db31b19680611932a2487 Mon Sep 17 00:00:00 2001
From: Kirill Lokotkov <klokotkov@ya.ru>
Date: Wed, 29 Nov 2023 12:41:25 +0300
Subject: [PATCH] Added "lwip/errno.h" to netdb.c includes

Defines EINVAL and ERANGE are used in the file but not included directly. When I try to use <sys/socket.h> and <arpa/inet.h> as LWIP_SOCKET_EXTERNAL_HEADERS it causes errors with this defines.
---
 src/api/netdb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/api/netdb.c b/src/api/netdb.c
index 6c1c8e18..cd4874e8 100644
--- a/src/api/netdb.c
+++ b/src/api/netdb.c
@@ -40,6 +40,7 @@
 #if LWIP_DNS && LWIP_SOCKET
 
 #include "lwip/err.h"
+#include "lwip/errno.h"
 #include "lwip/mem.h"
 #include "lwip/memp.h"
 #include "lwip/ip_addr.h"