From af384440f8b52abb90b366305475debd3ce9e77e Mon Sep 17 00:00:00 2001
From: likewise <likewise>
Date: Wed, 11 Jun 2003 21:22:58 +0000
Subject: [PATCH] Applied patch #1597

---
 src/include/lwip/arch.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/include/lwip/arch.h b/src/include/lwip/arch.h
index b92b228d..a9c34127 100644
--- a/src/include/lwip/arch.h
+++ b/src/include/lwip/arch.h
@@ -186,7 +186,30 @@
 #define  ENOMEDIUM  123  /* No medium found */
 #define  EMEDIUMTYPE  124  /* Wrong medium type */
 
+
+#define	ENSROK		0	/* DNS server returned answer with no data */
+#define	ENSRNODATA	160	/* DNS server returned answer with no data */
+#define	ENSRFORMERR	161	/* DNS server claims query was misformatted */
+#define	ENSRSERVFAIL 162	/* DNS server returned general failure */
+#define	ENSRNOTFOUND 163	/* Domain name not found */
+#define	ENSRNOTIMP	164	/* DNS server does not implement requested operation */
+#define	ENSRREFUSED	165	/* DNS server refused query */
+#define	ENSRBADQUERY 166	/* Misformatted DNS query */
+#define	ENSRBADNAME	167	/* Misformatted domain name */
+#define	ENSRBADFAMILY 168	/* Unsupported address family */
+#define	ENSRBADRESP	169	/* Misformatted DNS reply */
+#define	ENSRCONNREFUSED	170	/* Could not contact DNS servers */
+#define	ENSRTIMEOUT	171	/* Timeout while contacting DNS servers */
+#define	ENSROF		172	/* End of file */
+#define	ENSRFILE	173	/* Error reading file */
+#define	ENSRNOMEM	174	/* Out of memory */
+#define	ENSRDESTRUCTION	175	/* Application terminated lookup */
+#define	ENSRQUERYDOMAINTOOLONG	176	/* Domain name is too long */
+#define	ENSRCNAMELOOP	177	/* Domain name is too long */
+
+#ifndef errno
 extern int errno;
+#endif
 
 #endif /* LWIP_PROVIDE_ERRNO */