refactor(c-libuv): Ajust Errno

c/net/net.go

@@ -80,6 +80,23 @@ const (
 	SOCK_SEQPACKET = 5 // sequenced packet stream
 )
 
+const (
+	EAI_ADDRFAMILY = iota + 1 /* address family for hostname not supported */
+	EAI_AGAIN                 /* temporary failure in name resolution */
+	EAI_BADFLAGS              /* invalid value for ai_flags */
+	EAI_FAIL                  /* non-recoverable failure in name resolution */
+	EAI_FAMILY                /* ai_family not supported */
+	EAI_MEMORY                /* memory allocation failure */
+	EAI_NODATA                /* no address associated with hostname */
+	EAI_NONAME                /* hostname nor servname provided, or not known */
+	EAI_SERVICE               /* servname not supported for ai_socktype */
+	EAI_SOCKTYPE              /* ai_socktype not supported */
+	EAI_SYSTEM                /* system error returned in errno */
+	EAI_BADHINTS              /* invalid value for hints */
+	EAI_PROTOCOL              /* resolved protocol is unknown */
+	EAI_OVERFLOW              /* argument buffer overflow */
+)
+
 // (TODO) merge to inet
 const INET_ADDRSTRLEN = 16